ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 4 Work and Energy

Try The MCQ's Test For ECAT Physics Chapter 4 Work and Energy

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ECAT Physics Chapter 4 Work and Energy

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Question # 1

Power is a :

Question # 2

Work is a:

Question # 3

Work done is maximum when angle between force and displacement is

Question # 4

The work done in moving a body between two points in a conservation field is independent of the:

Question # 5

Work-energy principle states that work done on the body by applied force is equal to change in:

Question # 6

Work done along a closed path in a gravitational field is:

Question # 7

Work is product of:

Question # 8

Tick the conservation force:

Question # 9

Escape velocity from surface of Moon as compared to that from Earth surface is:

Question # 10

Work is a Quantity

Question # 11

If force and displacement are in opposite direction, the work done is taken as:

Question # 12

A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is:

Question # 13

The field in which work done in moving a body between two points depends upon the path followed is called:

Question # 14

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

Question # 15

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The tidal energy is due to gravitational pull of :
A. sun
B. moon
C. Mars
D. None of these
2 Work done in lower and bucket into the well is:
A. Zero
B. Positive
C. Negative
D. None of these
3 When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
A. Positive
B. Negative
C. Zero
D. None of these
4 The work performed on an object does not depend on:
A. Force applied
B. Angle at which force is inclined to the displacement
C. Initial velocity of the object
D. Displacement
5 Power is a :
A. Vector quantity
B. Base quantity
C. Scalar quantity
D. None of these
6 A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`
A. Minimum work
B.
Maximum work
C. Zero work
D. Negative work
7 A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done in 25J. The angle which the force makes with the direction of motion will be
A. 60°
B. 90°
C. 30°
D. 0°
8 The power of an electric generating station is expressed in:
A. Kilo Jule
B. Kilowatt-hour
C. Kilo watt
D. Watt
9 Work is product of:
A. Force and velocity
B. Heat and energy
C. Force and displacement
D. None of these
10 The energy stored int he water of the dam is:
A. Electric energy
B. Kinetic energy
C. Potential energy
D. None of these

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