Turning Effect of Forces - Important Terms
Class 09 FBISE Physics - Turning Effect of Forces - Important Terms
Turning Effect of Forces - Numerical Problems
Class 09 FBISE Physics - Turning Effect of Forces - Numerical Problems
Turning Effect of Forces - Exercise
Class 09 FBISE Physics - Turning Effect of Forces - Exercise
Turning Effect of Forces - MCQs
Class 09 FBISE Physics - Turning Effect of Forces - MCQs
Turning Effect of Forces - Notes
Class 09 FBISE Physics - Turning Effect of Forces - Notes
A block of mass 10 kg is suspended at a distance of 20 cm from the center of a uniform bar 1 m long.
Class 9 FBISE Physics - Turning effect of forces - A block of mass 10 kg is suspended at a distance of 20 cm from the center of a uniform bar 1 m long.
A nut has been tightened by a force of 200 N using a 10 cm long spanner.
Class 9 FBISE Physics - Turning effect of forces - A nut has been tightened by a force of 200 N using a 10 cm long spanner.
Two blocks of mass 5 kg and 3 kg are suspended by the two strings as shown
Class 9 FBISE Physics - Turning effect of forces - Two blocks of mass 5 kg and 3 kg are suspended by the two strings as shown
A picture frame is hanging by two vertical strings.
Class 9 FBISE Physics - Turning effect of forces - A picture frame is hanging by two vertical strings.
The steering of a car has a radius of 16 cm.
Class 9 FBISE Physics - Turning effect of forces - The steering of a car has a radius of 16 cm.
A force is acting on a body making an angle of 30⁰ with the horizontal.
Class 9 FBISE Physics - Turning effect of forces - A force is acting on a body making an angle of 30⁰ with the horizontal.
A force of 100 N is applied perpendicularly on a spanner at a distance of 10 cm from a nut
Class 9 FBISE Physics - Turning effect of forces - A force of 100 N is applied perpendicularly on a spanner at a distance of 10 cm from a nut
Find the magnitude and direction of a force, if its x-component
Class 9 FBISE Physics - Turning effect of forces - Find the magnitude and direction of a force, if its x-component
Find the perpendicular components of a force
Class 9 FBISE Physics - Turning effect of forces - Find the perpendicular components of a force
Find the resultant of the following forces:
Class 9 FBISE Physics - Turning effect of forces - Find the resultant of the following forces:
Why the height of the vehicles is kept as low as possible?
Class 9 FBISE Physics - Turning effect of forces - Why the height of the vehicles is kept as low as possible?
Why a body cannot be in equilibrium due to a single force acting on it?
Class 9 FBISE Physics - Turning effect of forces - Why a body cannot be in equilibrium due to a single force acting on it?
Think of a body that is at rest but not in equilibrium.
Class 9 FBISE Physics - Turning effect of forces - Think of a body that is at rest but not in equilibrium.
Give an example of a moving body, which is in equilibrium.
Class 9 FBISE Physics - Turning effect of forces - Give an example of a moving body, which is in equilibrium.
Differentiate between the following: (i)Torque and the couple (ii)Stable and neutral equilibrium
Class 9 FBISE Physics - Turning effect of forces - Differentiate between the following: (i) Torque and the couple (ii) Stable and neutral equilibrium
Define the following (i) Resultant Vector (ii) Torque (iii) Centre of mass (iv) Centre of gravity
Class 9 FBISE Physics - Turning effect of forces - Define the following (i) Resultant Vector (ii) Torque (iii) Centre of mass (iv) Centre of gravity
Why a vehicle is made heavy at its bottom?
Class 9 FBISE Physics - Turning effect of forces - Why a vehicle is made heavy at its bottom
Discuss the stability and position of the center of mass with the reference of example?
Class 9 FBISE Physics - Turning effect of forces - Discuss the stability and position of the center of mass with the reference of example?
Explain what is meant by stable, unstable, and neutral equilibrium.
Class 9 FBISE Physics - Turning effect of forces - Explain what is meant by stable, unstable, and neutral equilibrium.
Define terminal velocity?
Class 9 FBISE Physics - Turning effect of forces - Define terminal velocity?
How does a paratrooper come down?
Class 9 FBISE Physics - Turning effect of forces - How does a paratrooper come down?
Why there is a need for a second condition for equilibrium if a body satisfies the first condition for equilibrium?
Class 9 FBISE Physics - Turning effect of forces - Why there is a need for a second condition for equilibrium if a body satisfies the first condition for equilibrium?
What is the second condition for equilibrium?
Class 9 FBISE Physics - Turning effect of forces - What is the second condition for equilibrium?
Explain the first condition for equilibrium.
Class 9 FBISE Physics - Turning effect of forces - Explain the first condition for equilibrium.
When a body is said to be in equilibrium?
Class 9 FBISE Physics - Turning effect of forces - When a body is said to be in equilibrium?
Define a couple. Describe its role in steering wheel double-arm spanner?
Class 9 FBISE Physics - Turning effect of forces - Define a couple. Describe its role in steering wheel double-arm spanner?
Explain an experiment to find the center of gravity of a four-sided plate of uniform thickness. How can you verify your answer by using geometry?
Class 9 FBISE Physics - Turning effect of forces - Explain an experiment to find the center of gravity of a four-sided plate of uniform thickness. How can you verify your answer by using geometry?
List the center of gravity of some symmetrical objects?
Class 9 FBISE Physics - Turning effect of forces - List the center of gravity of some symmetrical objects?
Define the center of gravity?
Class 9 FBISE Physics - Turning effect of forces - Define the center of gravity?
Explain how the center of mass helps the system to move as well as rotate?
Class 9 FBISE Physics - Turning effect of forces - Explain how the center of mass helps the system to move as well as rotate?
Describe the principle of the moment?
Class 9 FBISE Physics - Turning effect of forces - Describe the principle of the moment?
What do you mean by newton-meter (Nm)?
Class 9 FBISE Physics - Turning effect of forces - What do you mean by newton-meter (Nm)?
Define the moment arm.
Class 9 FBISE Physics - Turning effect of forces - Define the moment arm.
What do you mean by a line of action of a force?
Class 9 FBISE Physics - Turning effect of forces - What do you mean by a line of action of a force?
Why it is easy to tighten a nut using a spanner of the longer arm than a spanner of the shorter arm?
Class 9 FBISE Physics - Turning effect of forces - Why it is easy to tighten a nut using a spanner of the longer arm than a spanner of the shorter arm?
Why the handle of a door is fixed near the outer edge a door?
Class 9 FBISE Physics - Turning effect of forces - Why the handle of a door is fixed near the outer edge a door
Define torque. What is its unit? On what factors does torque (moment of a force) depends?
Class 9 FBISE Physics - Turning effect of forces - Define torque. What is its unit? On what factors does torque (moment of a force) depends?
Name some objects that work by the turning effects of forces.
Class 9 FBISE Physics - Turning effect of forces - Name some objects that work by the turning effects of forces.
What do you mean by the axis of rotation?
Class 9 FBISE Physics - Turning effect of forces - What do you mean by the axis of rotation?
What do you mean by a rigid body?
Class 9 FBISE Physics - Turning effect of forces - What do you mean by a rigid body?
Why it is easy to open and close the door by pulling or pushing it as it handles?
Class 9 FBISE Physics - Turning effect of forces - Why it is easy to open and close the door by pulling or pushing it as it handles?
Briefly explain the determination of a force from its perpendicular components?
Class 9 FBISE Physics - Turning effect of forces - Briefly explain the determination of a force from its perpendicular components?
How can a force be resolved into its rectangular components?
Class 9 FBISE Physics - Turning effect of forces - How can a force be resolved into its rectangular components?
What is meant by trigonometry? Give some important trigonometric ratios.
Class 9 FBISE Physics - Turning effect of forces - What is meant by trigonometry? Give some important trigonometric ratios.
How head to tail rule helps to find the resultant forces?
Class 9 FBISE Physics - Turning effect of forces - How head to tail rule helps to find the resultant forces?
Define the resultant vector?
Class 9 FBISE Physics - Turning effect of forces - Define the resultant vector?
Explain the unlike parallel forces in the given figure?
Class 9 FBISE Physics - Turning effect of forces - Explain the unlike parallel forces in the given figure?
Many people push a bus to start it why do all of them push it in the same direction?
Class 9 FBISE Physics - Turning effect of forces - Many people push a bus to start it why do all of them push it in the same direction?
What is the difference between like and unlike parallel forces?
Class 9 FBISE Physics - Turning effect of forces - What is the difference between like and unlike parallel forces?
What is meant by parallel forces?
Class 9 FBISE Physics - Turning effect of forces - What is meant by parallel forces?
With a little effort, we can learn to balance a stick vertically up on our fingertip how this is possible?
Class 9 FBISE Physics - Turning effect of forces - With a little effort, we can learn to balance a stick vertically up on our fingertip how this is possible?
Women and children in the villages often carry pitchers with water on their heads how this is possible?
Class 9 FBISE Physics - Turning effect of forces - Women and children in the villages often carry pitchers with water on their heads how this is possible?
What is the joker doing in the figure?
Class 9 FBISE Physics - Turning effect of forces - What is the joker doing in the figure?
Can the nut of the axle of a bike be loosened with a hand why do we use a spanner for this purpose?
Class 9 FBISE Physics - Turning effect of forces - Can the nut of the axle of a bike be loosened with a hand why do we use a spanner for this purpose?