Question # 1

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

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Positive work

Negative work

Zero work

Infinite work

Work has the dimension as that of:

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Torque

Angular momentum

Linear momentum

Power

The power of an electric generating station is expressed in:

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Kilo Jule

Kilowatt-hour

Kilo watt

Watt

Most of the geysers occur in:

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Volcanic regions

Magnetic regions

Northern region

None of these

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:

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Power

Work

Pressure

None of these

Work is a:

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Scalar quantity

Vector quantity

Base quantity

None of these

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

Which force is not a conservative force:

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Frictional force

Gravitational force

Electric force

Elastic spring force

Work is a scalar product of

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Force, Velocity

Velocity, Displacement

Force, Displacement

Force, Momentum

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

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Conservative filed

Non-conservative field

Electric field

None of these

The space around the earth in which its gravitational force acts on a body is called

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Electric Field

Gravitational field

Magnetic field

Conservative field

Work done in lower and bucket into the well is:

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Zero

Positive

Negative

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

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 types of mechanical energy is/are:

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Kinetic energy

Potential energy

Both of these

None of these

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

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