How much centripetal force is needed to make a body of mass
Class 9 FBISE Physics - Dynamics - How much centripetal force is needed to make a body of mass
How much is the force of friction between a wooden block of mass 5 kg and the horizontal marble floor
Class 9 FBISE Physics - Dynamics - How much is the force of friction between a wooden block of mass 5 kg and the horizontal marble floor
How much time is required to change 22 Ns momentum by a force of 20 N? (1.1s)
Class 9 FBISE Physics - Dynamics - How much time is required to change 22 Ns momentum by a force of 20 N? (1.1s)
Two masses 26 kg and 24 kg are attached to the ends of a string which passes over a frictionless pulley.
Class 9 FBISE Physics - Dynamics - Two masses 26 kg and 24 kg are attached to the ends of a string which passes over a frictionless pulley.
wo masses 52 kg and 48 kg are attached to the ends of a string that passes over a frictionless pulley
Class 9 FBISE Physics - Dynamics - wo masses 52 kg and 48 kg are attached to the ends of a string that passes over a frictionless pulley
Does a body weight 20 N. How much force is required to move it vertically upward with an acceleration
Class 9 FBISE Physics - Dynamics - Does a body weight 20 N. How much force is required to move it vertically upward with an acceleration
Find the acceleration produced by a force of 100 N in a mass of 50 kg
Class 9 FBISE Physics - Dynamics - Find the acceleration produced by a force of 100 N in a mass of 50 kg
How much force is needed to prevent a body of mass
Class 9 FBISE Physics - Dynamics - How much force is needed to prevent a body of mass
The weight of a body is 147 N. What is its mass?
Class 9 FBISE Physics - Dynamics - The weight of a body is 147 N. What is its mass?
A force of 20 N moves a body with an acceleration
Class 9 FBISE Physics - Dynamics - A force of 20 N moves a body with an acceleration
Define the following terms: (i) Inertia (ii) Momentum (iii) Force (iv) Force of friction (v) Centripetal force
Class 9 FBISE Physics - Dynamics - Define the following terms: (i) Inertia (ii) Momentum (iii) Force (iv) Force of friction (v) Centripetal force
How does oiling the moving parts of a machine lowers friction?
Class 9 FBISE Physics - Dynamics - How does oiling the moving parts of a machine lowers friction?
A horse pushes the cart. If the action and reaction are equal and opposite then how does the cart move?
Class 9 FBISE Physics - Dynamics - A horse pushes the cart. If the action and reaction are equal and opposite then how does the cart move?
Action and reaction are always equal and opposite. Then how does a body moves?
Class 9 FBISE Physics - Dynamics - Action and reaction are always equal and opposite. Then how does a body moves?
What will be the tension in a rope that is pulled from its ends by two opposite forces 100N each?
Class 9 FBISE Physics - Dynamics - What will be the tension in a rope that is pulled from its ends by two opposite forces 100N each?
Why does a passenger move outward when a bus takes a turn?
Class 9 FBISE Physics - Dynamics - Why does a passenger move outward when a bus takes a turn?
Why it is dangerous to travel on the roof of a bus?
Class 9 FBISE Physics - Dynamics - Why it is dangerous to travel on the roof of a bus?
What is the difference between: sliding friction and rolling friction
Class 9 FBISE Physics - Dynamics - What is the difference between: sliding friction and rolling friction
What is the difference between:
Class 9 FBISE Physics - Dynamics - What is the difference between: Action and reaction
Why the spinner of the washing machine is made to spin at a very high speed?
Class 9 FBISE Physics - Dynamics - Why the spinner of the washing machine is made to spin at a very high speed?
What would happen if all friction suddenly disappears?
Class 9 FBISE Physics - Dynamics - What would happen if all friction suddenly disappears?
what you know about the following:
Class 9 FBISE Physics - Dynamics - what you know about the following:
Identify the use of centripetal force in (i) safe driving by banking roads (ii) washing machine dryers (iii) cream separator.
Class 9 FBISE Physics - Dynamics - Identify the use of centripetal force in (i) safe driving by banking roads (ii) washing machine dryers (iii) cream separator.
What is the centrifugal force? Explain.
Class 9 FBISE Physics - Dynamics - What is the centrifugal force? Explain.
Define the centripetal force. Derive the relation of centripetal force on a body moving in a circle?
Class 9 FBISE Physics - Dynamics - Define the centripetal force. Derive the relation of centripetal force on a body moving in a circle?
Define uniform circular motion?
Class 9 FBISE Physics - Dynamics - Define uniform circular motion?
What are the methods to reduce friction?
Class 9 FBISE Physics - Dynamics - What are the methods to reduce friction?
What are the disadvantages of friction?
Class 9 FBISE Physics - Dynamics - What are the disadvantages of friction?
Describe the advantages of friction?
Class 9 FBISE Physics - Dynamics - Describe the advantages of friction?
Write a dream during which you are driving a car and suddenly the friction disappears. What happened next…?
Class 9 FBISE Physics - Dynamics - Write a dream during which you are driving a car and suddenly the friction disappears. What happened next…?
Describe the situation in daily life in which friction is most desirable?
Class 9 FBISE Physics - Dynamics - Describe the situation in daily life in which friction is most desirable?
Explain breaking force and skidding of vehicles?
Class 9 FBISE Physics - Dynamics - Explain breaking force and skidding of vehicles?
Why a cyclist applies brakes to stop his/her bicycle?
Class 9 FBISE Physics - Dynamics - Why a cyclist applies brakes to stop his/her bicycle?
Why it is dangerous to drive on a wet road?
Class 9 FBISE Physics - Dynamics - Why it is dangerous to drive on a wet road?
Friction is a ‘necessary evil’. Comment.
Class 9 FBISE Physics - Dynamics - Friction is a ‘necessary evil’. Comment.
Why ball bearings or roller bearings are used to reduce friction?
Class 9 FBISE Physics - Dynamics - Why ball bearings or roller bearings are used to reduce friction?
The first thing about a wheel is that it rolls as it moves rather than slides. This greatly reduces friction. Why?
Class 9 FBISE Physics - Dynamics - The first thing about a wheel is that it rolls as it moves rather than slides. This greatly reduces friction. Why?
Why rolling friction is less than sliding friction? OR Demonstrate that rolling friction is less than sliding friction?
Class 9 FBISE Physics - Dynamics - Why rolling friction is less than sliding friction? OR Demonstrate that rolling friction is less than sliding friction?
Describe the coefficient of friction ( µ ) between some common materials?
Class 9 FBISE Physics - Dynamics - Describe the coefficient of friction ( µ ) between some common materials?
Describe the situations in which force of friction is needed.
Class 9 FBISE Physics - Dynamics - Describe the situations in which force of friction is needed.
What do you know about the coefficient of friction?
Class 9 FBISE Physics - Dynamics - What do you know about the coefficient of friction?
What do you know about limiting the force of friction?
Class 9 FBISE Physics - Dynamics - What do you know about limiting the force of friction?
Why does fricopposeposes motion? OR Give the microscopic concept of friction?
Class 9 FBISE Physics - Dynamics - Why does fricopposeposes motion? OR Give the microscopic concept of friction?
Why bicycle stops when the cyclist stops peddling?
Class 9 FBISE Physics - Dynamics - Why bicycle stops when the cyclist stops peddling?
Have you noticed why a moving ball stops?
Class 9 FBISE Physics - Dynamics - Have you noticed why a moving ball stops?
What do you know about friction?
Class 9 FBISE Physics - Dynamics - What do you know about friction?
Under which principle do rockets and jet engines work?
Class 9 FBISE Physics - Dynamics - Under which principle do rockets and jet engines work?
When a gun is fired it recoils. Why?
Class 9 FBISE Physics - Dynamics - When a gun is fired it recoils. Why?
What is the law of conservation of momentum? OR State and explain the law of conservation of momentum?
Class 9 FBISE Physics - Dynamics - What is the law of conservation of momentum? OR State and explain the law of conservation of momentum?
Define System and Isolated system?
Class 9 FBISE Physics - Dynamics - Define System and Isolated system?
Show that $Ns = Kg \: m/s$ OR Ns = $Kg \: ms^{-1}$
Class 9 FBISE Physics - Dynamics - Show that $Ns = Kg \: m/s$ OR Ns = $Kg \: ms^{-1}$
Show the relationship between momentum and force OR Derive Newton’s Second Law of motion with the help of momentum.
Class 9 FBISE Physics - Dynamics - Show the relationship between momentum and force OR Derive Newton’s Second Law of motion with the help of momentum.
Calculate the tension and acceleration in a string during the motion of two bodies attached to the ends of a string that passes over a frictionless pulley such that one body moves vertically and the other moves on a smooth horizontal surface:
Class 9 FBISE Physics - Dynamics - Calculate the tension and acceleration in a string during the motion of two bodies attached to the ends of a string that passes over a frictionless pulley such that one body moves vertically and the other moves on a smooth horizontal surface:
Calculate the tension and acceleration in the string during the motion of bodies connected by the string and passing over the friction pulley using the second law of motion?
Class 9 FBISE Physics - Dynamics - Calculate the tension and acceleration in the string during the motion of bodies connected by the string and passing over the friction pulley using the second law of motion?
What do you know about tension and acceleration in a string?
What do you know about tension and acceleration in a string?
Explain Newton’s third law of motion by practical examples of daily life?
Class 9 FBISE Physics - Dynamics - Explain Newton’s third law of motion by practical examples of daily life?
Differentiate between mass and weight.
Class 9 FBISE Physics - Dynamics - Differentiate between mass and weight.
Define SI units of force?
Class 9 FBISE Physics - Dynamics - Define SI units of force?
State and prove Newton’s second law of motion.
Class 9 FBISE Physics - Dynamics - State and prove Newton’s second law of motion.
When a bus takes a sharp turn, passengers fall in an outward direction. Why?
Class 9 FBISE Physics - Dynamics - When a bus takes a sharp turn, passengers fall in an outward direction. Why?
Why do the passengers standing on a bus fall forward when the driver applies the brakes suddenly?
Class 9 FBISE Physics - Dynamics - Why do the passengers standing on a bus fall forward when the driver applies the brakes suddenly?
Why newton’s first law of motion is also known as the law of inertia?
Class 9 FBISE Physics - Dynamics - Why newton’s first law of motion is also known as the law of inertia?
Explain Newton’s first law of motion by a practical example of daily life?
Class 9 FBISE Physics - Dynamics - Explain Newton’s first law of motion by a practical example of daily life?
Why the impact of the loaded truck on a body coming it's way is very large even if the truck is moving slowly.
Class 9 FBISE Physics - Dynamics - Why the impact of the loaded truck on a body coming it's way is very large even if the truck is moving slowly.
A bullet has very small inertia due to its small mass. But why does its impact so strong when it is fired from the gun?
Class 9 FBISE Physics - Dynamics - A bullet has very small inertia due to its small mass. But why does its impact so strong when it is fired from the gun?
Put a one-rupee coin over a piece of card paper placed on an empty glass. Push the card with a sudden stroke of a finger. The card will move ahead while the coin falls into the glass. Why it does do?
Class 9 FBISE Physics - Dynamics - Put a one-rupee coin over a piece of card paper placed on an empty glass. Push the card with a sudden stroke of a finger. The card will move ahead while the coin falls into the glass. Why it does do?
Define inertia. Experiment to understand inertia?
Class 9 FBISE Physics - Dynamics - Define inertia. Experiment to understand inertia?