Physics ECAT Pre Engineering Chapter 4 Work and Energy

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  • Chapter NameCh 4 - Work and Energy

Physics ECAT Pre Engineering Chapter 4 Work and Energy

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Physics ECAT Pre Engineering Chapter 4 Work and Energy

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Question # 1

Power is a :

Question # 2

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

Question # 3

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

Question # 4

When force and displacement are perpendicular to each other than work is equal to

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

Tick the conservative force

Question # 9

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 # 10

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

Question # 11

Work has a dimension as that of:

Question # 12

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

Question # 13

The work performed on an object does not depend on:

Question # 14

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

Question # 15

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

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