Question # 1

Work done in lower and bucket into the well is:

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Zero

Positive

Negative

None of these

In the force applied is parallel to the direction of motion, then work done is:

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Maximum

Minimum

Zero

None of these

The types of mechanical energy is/are:

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Kinetic energy

Potential energy

Both of these

None of these

Work done is independent of path followed in _______

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Gravitational field

Magnetic field

Electric field

All of these

Maximum work is done when force and displacement are

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Parallel

Antiparallel

Perpendicular

Both a and b

The space around the earth within it exerts a force of attraction on other bodies of known as:

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Nuclear field

Conservative field

Electric field

Gravitational field

The work done by a force keeping an object in circular motion with constant speed is:

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Zero J.

0.1 J

1 J

0.01 J

Watt x second is unit of:

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Force

Work

Power

None of these

Work is a always done on a body when

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A force acts on it

It moves through certain distance

None of A or B is correct

Both A and B are correct

Work done is lowering the bucket into the well is:

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Zero

Positive

Negative

None of these

Which of the following is not a unit of power:

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J-sec

Watt

N m/sec

Horsepower

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

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Potential energy

Kinetic nergy

Linear momentum

None of these

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

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Positive

Negative

Zero

None of these

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

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Conservative field

Non-conservative field

Electric field

None of these

Work done is maximum when angle between force and displacement is

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0°

90°

180°

None of these

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ECAT Physics Chapter 4 Work and Energy Online Test MCQs With Answers

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