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

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 the direction of motion will be:

Question # 2

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 3

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:

Question # 4

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

Question # 5

Teh consumption of energy by a 1000 watt heater in half an hour is:

Question # 6

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is

Question # 7

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

Question # 8

Tick the conservation force:

Question # 9

The work done on the body will be zero if:

Question # 10

Work done is maximum when angle between force and displacement is:

Question # 11

The commercial unit of electrical energy is :

Question # 12

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 # 13

The dimensions of work

Question # 14

Work done is independent of path followed in _______

Question # 15

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

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