Mashaal Masha
Mashaal Masha
 Oct 12, 2022
0
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Choose the correct options for the following questions.
Work is a:
Difficulty: Easy
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A:
Scalar quantity
B:
Vector quantity
C:
Base quantity
D:
None
Work is always done on a body when:
Difficulty: Easy
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A:
A force acts on it
B:
It moves through certain distance
C:
None of a and b
D:
Both a and b
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The work performed on an object does not depend on:
Difficulty: Easy
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A:
Force applied
B:
Angle at which force is inclined to the displacement
C:
Initial velocity of the object
D:
Displacement
If force and displacement are in opposite direction, the work done is taken as:
Difficulty: Easy
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A:
Positive work
B:
Negative work
C:
Zero work
D:
Infinite work
Work has the dimensions as that of:
Difficulty: Easy
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A:
Torque
B:
Angular momentum
C:
Linear momentum
D:
Power
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Work done is maximum when angle between force and displacement is:
Difficulty: Easy
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A:
$0^{\circ}$
B:
$90^{\circ}$
C:
$180^{\circ}$
D:
None
The space around the Earth within which it exerts a force of attraction on other bodies is known as:
Difficulty: Easy
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A:
Nuclear field
B:
Conservative field
C:
Electric field
D:
Gravitational field
A body moves a direction of 10 m along a straight line under the action of a force of 5N and work done is 25 J. The angle which the force makes with the direction of motion will be:
Difficulty: Easy
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A:
$60^{\circ}$
B:
$90^{\circ}$
C:
$30^{\circ}$
D:
$0^{\circ}$
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Work done along a closed path in a gravitational field is:
Difficulty: Easy
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A:
Maximum
B:
Minimum
C:
Zero
D:
Unity
The field in which work done in moving a body between two points depends upon the path followed is called:
Difficulty: Easy
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A:
Conservative field
B:
Non-conservative field
C:
Electric field
D:
None

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