9 ICSE Quiz on Work Power and Energy

Welcome to your 9 ICSE QUIZ-4 WORK, POWER AND ENERGY (PHYSICS)

Quiz on Work, power and energy

Name

Email ID

Contact No.

No work is done when -

a nail is plugged in a wooden board

a box is pushed along a horizontal floor

there is no component of force parallel to the direction of motion

there is no component of force perpendicular to the direction of motion

Types of mechanical energy are:

Kinetic energy only

Potential energy only

Kinetic energy and potential energy both

Neither kinetic energy nor potential energy

Force F acts on a body such that force F makes an angle θ with the horizontal direction and the body is also displaced through a distance S in the horizontal direction, then the work done by the force is -

FS Cos θ

FS Sin θ

Zero

In tug of war work done by winning team is :

Zero

Positive

Negative

None of these

Work done -

is always positive

is always negative

can be positive, negative or zero

none of these

In tug of war work done by loosing team is :

Zero

Positive

Negative

None of these

Work is done on a body when:

Force acts on the body but the body is not displaced

Force does not act on the body but it is displaced

Force acts on the body in a direction perpendicular to the direction of the displacement of the body

Force acts on the body and the body is either displaced in the direction of force or opposite to the direction of force

Work done upon a body is-

a vector quantity

a scalar quantity

(A) and (B) both are correct

none of these

Work means:

Effort

Interview

Achievement

Get -together

10.

A body at rest can have:

Speed

Velocity

Momentum

Energy

Time's up

Time is Up!

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9 ICSE Quiz on Work Power and Energy

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