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

SI Unit of work is

Question # 2

Which force is not a conservative force?

Question # 3

Work is a:

Question # 4

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:

Question # 5

If we draw a graph between d(along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis then area under this straight line represents:

Question # 6

The consumption of energy by a 60 W bulb in 2 minutes is:

Question # 7

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

Question # 8

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

Question # 9

Which of the following type of force can do no work on the particle on which it acts:

Question # 10

The angle between centripetal force and displacement of the body moving in a circle is:

Question # 11

When velocity of moving body is doubled, the quantity which is also doubled is its:

Question # 12

When a wall is pushed by a person very strongly, he has done:

Question # 13

A solar cell converts energy of the Sun into:

Question # 14

Which force is not a conservative force:

Question # 15

Work done is lowering the bucket into the well is:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
2 Maximum work is done when force and displacement are
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
3 When two protons are brought are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
4 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
5 Work done is lowering the bucket into the well is:
A. Zero
B. Positive
C. Negative
D. None of these
6 Which of the following type of force can do no work on the particle on which it acts:
A. Frictional force
B. Gravitational force
C. Electric force
D. Centripetal force
7 A laborer carrying a load on his head moves from the 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
8 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinte work
9 In the force applied to parallel to the direction of motion, then the work done is:
A. Positive
B. Negative
C. Zero
D. None of these
10 The field in which work done in moving a body between two points depends upon the path followed is called:
A. Conservative field
B. Non-conservative field
C. Electric field
D. None of these

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