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laws of motion-1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What causes the body to move?

a)

momentum

b)

velocity

c)

force

2.

Who proposed the laws of motion?

a)

Galio

b)

Newton

c)

Raman

d)

Archemides

3.

In which branch,The motion of bodies without considering the cause of motion is called ___

a)

Kinetics

b)

kinematics

c)

mechanics

d)

Statics

4.

Force dependent motion is called

a)

Natural motion

b)

violent motion

c)

static

d)

Inertia

5.

The inherent property of a body to resist any change in its state of rest or motion is called?

a)

Dynamics

b)

couple

c)

static

d)

Inertia

6.

When you make a sharp turn while driving a car, you tend to lean sideways is an example of -------

a)

Inertia in direction

b)

Inertia in motion

c)

Inertia of rest

7.

Linear Momentum = mass × -----------

a)

velocity

b)

momentum

c)

force

d)

acceleration

8.

Unit of momentum in SI system is -----

a)

Kg m s-1

b)

g m s-1

c)

g cm s-1

d)

Kg m s-2

9.

Torque is also called as -----

a)

couple

b)

Moment of the force

c)

Moment of couple

d)

force

10.

The unit of moment of a couple is—

a)

Nm2

b)

dyne cm

c)

N m

d)

Nm or dyne cm

11.

In sea saw ,When the heavier person comes closer to the pivot point the distance of the line of action of the force -----

a)

zero

b)

Remain the same

c)

increase

d)

Decrease

12.

Spinning of a top is an example of –

a)

Moment of couple

b)

Moment of force

c)

torque

d)

Momentum

13.

parallel forces are acting in the same direction, then the resultant force is-----

a)

Fnet = F1 - F2

b)

zero

c)

Fnet = F1+ F2

d)

Fnet = F2 - F1

14.

Force are classified into ----

a)

4

b)

3

c)

2

d)

5

15.

The axis of the fixed edge about which the door is rotated is called as

a)

axis of rotation

b)

pivot point

c)

point of rotation

d)

Fixed point