Question # 1

_____________ is related to earth attractive force.

Choose an answer

Centre of gravity

Acceleration

Velocity

Nil

The single force that has the same effect as the combined effect of all the force to be added is called a

Choose an answer

Opposite force

Single force

Resultant force

Resultant vector

_____________ easily undo bolt?

Choose an answer

Long spanner

Medium

Short spanner

Every spanner

ΣF=0 is __________ condition of equilibrium:

Choose an answer

1st

2nd

Unstable

Stable

Sin 45^ois

Choose an answer

0.707

0.5

1

0.2

A line about which a body rotates is called;

Choose an answer

Axis of rotation

Rigid Body

Center of gracity

None of these

Consider a rigid body. As it rotates, its particles move in fixed

Choose an answer

Squares

Circles

Triangles

Rectnagles

At what angle sin𝜽 and cos𝜽 has same values:

Choose an answer

30^o

45^o

60^o

90^o

Number of factors on which torque depends :

Choose an answer

2

3

4

5

Sin 45^ois

Choose an answer

0.707

0.5

1

0.2

Centre of gravity of uniform square is:

Choose an answer

Intersection of diagonals

Point of intersection of medians

At centre

None of these

It is useful to know the location of center of gravity of a body in problem dealing with

Choose an answer

Motion

Equilibrium

Charge

Velocity

Unit of moment arm (L) is:

Choose an answer

Meter

Mole

Newton

Nm

Two equal but unlike parallel forces having different lines of action produce:

Choose an answer

a Torque

a couple

Equilibrium

Netural equilibrium

If force is capable of rotation a body in clockwise direction it is :`

Choose an answer

Clockwise

Anticlockwise

It has no direction

Nil

Base / Hypotenuse is called:

Choose an answer

Sin𝜽

Cos 𝜽

Tan 𝜽

Cot 𝜽

A body is in equilibrium when its

Choose an answer

Acceleration is uniform

Speed is uniform

Speed and acceleration are uniform

Acceleration is zero

Perpendicular / hypotenuse is equal to:

Choose an answer

Cosθ

Tanθ

Cosecθ

Sinθ

More Classes

Other Links

Physics 9th Class English Medium Unit 4 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

Choose an answer

Choose an answer