ECAT Physics Chapter 4 Work and Energy

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  • Chapter NameCh 4 - Work and Energy

ECAT Physics Chapter 4 Work and Energy

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ECAT Physics Chapter 4 Work and Energy

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Question # 1

Which force is not a conservative force:

Question # 2

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Question # 3

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

Question # 4

Work is a

Question # 5

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

Question # 6

The work performed on an object does not depend on:

Question # 7

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 # 8

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

Question # 9

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:`

Question # 10

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

Question # 11

Work done is lowering the bucket into the well is:

Question # 12

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

Question # 13

A field in which the work done is moving a body along closed path is zero is called:

Question # 14

Which of the following is not a unit of power:

Question # 15

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

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