Question # 1

1 J = ________?

Choose an answer

10⁷erges

10^-7erges

10⁵erges

10^-5erges

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:

Choose an answer

Power

Work

Pressure

None of these

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

Work is a:

Choose an answer

Scalar quantity

Vector quantity

Base quantity

None of these

Tick the conservative force

Choose an answer

Tension in a string

Air resistance

Elastic spring

Frictional force

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

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

Choose an answer

Nuclear field

Conservative field

Electric field

Gravitational 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

The energy stored int he water of the dam is:

Choose an answer

Electric energy

Kinetic energy

Potential energy

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 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

Power is a :

Choose an answer

Vector quantity

Base quantity

Scalar quantity

None of these

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

Choose an answer

Positive

Negative

Zero

None of these

When a wall is pushed by a person very strongly, he has done:

Choose an answer

Maximum work

Zero work

Positive work

Negative work

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

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