Question # 1

Escape velocity from surface of Moon as compared to that from Earth surface is:

Choose an answer

Greater

Smaller

Equal

None of thes

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

Choose an answer

Potential energy

Kinetic nergy

Linear momentum

None of these

Work is product of:

Choose an answer

Force and velocity

Heat and energy

Force and displacement

None of these

The work performed on an object does not depend on

Choose an answer

Force applied

Angle at which force is inclined to the displacement

Initial velocity of the object

Displacement

Watt x second is unit of:

Choose an answer

Force

Work

Power

None of these

The dimensions of work

Choose an answer

[MLT^-1]

[MLT^-2]

[ML²T^-2]

[MLT]

Which one is conservative force

Choose an answer

Electric force

Frictional force

Normal force

Air resistance

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

Choose an answer

Zero J.

0.1 J

1 J

0.01 J

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

Choose an answer

Positive

Negative

Zero

None of these

The consumption of energy by a 60 W bulb in 2 minutes is:

Choose an answer

2 watt-hour

120 watt-hour

30 watt-hour

None of these

The commercial unit of electrical energy is :

Choose an answer

K Watt

KWH

Horse power

Joule

The work done on the body will be zero if:

Choose an answer

No force is applied on the body

Force is applied but no displacement

Angle between F(force) and d(displacement) is 90°

All of these are correct

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:`

Choose an answer

Minimum work

Maximum work

Zero work

Negative work

Work done is lowering the bucket into the well is:

Choose an answer

Zero

Positive

Negative

None of these

Tick the conservation force:

Choose an answer

Tension in a string

Air resistance force

Elastic spring

Frictional force

Work is a:

Choose an answer

Scalar quantity

Vector quantity

Base quantity

None of these

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer