Question # 1

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

Choose an answer

Direction

Force applied

Path followed by the body

Power

The value of escape velocity of Earth planet comes out to be:

Choose an answer

11 m/sec

11 km/sec

11 km/hour

11 cm/sec

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Choose an answer

Zero

10.2 J

100 J

980 J

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

Choose an answer

0°

90°

180°

None of these

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

Choose an answer

Direction

Force applied

Path followed by the body `

Power

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

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

Choose an answer

Maximum

Minimum

Zero

None of these

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

Choose an answer

Greater

Smaller

Equal

None of thes

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

Choose an answer

Direction

Force applied

Path followed by the body

Power

1 J = ________?

Choose an answer

10⁷erges

10^-7erges

10⁵erges

10^-5erges

Which force is not a conservative force?

Choose an answer

Frictional force

Gravitational force

Electric force

Elastic spring force

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

Choose an answer

Electric Field

Gravitational field

Magnetic field

Conservative field

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

Choose an answer

0.5 J

2 J

0.25 J

1 J

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done in 25J. The angle which the force makes with the direction of motion will be

Choose an answer

60°

90°

30°

0°

Work done is lowering the bucket into the well is:

Choose an answer

Zero

Positive

Negative

None of these

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

Choose an answer

Nuclear field

Conservative field

Electric field

Gravitational field

More Classes

Other Links

Physics ECAT Pre Engineering 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