wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Newton's Laws of Motion - by Samar NAJJAR

Total questions: 16

Worksheet time: 11mins

Name
Class
Date
1.

If no force is applied on a moving object, then most probably the object will

a)

stop

b)

continue with the same speed

c)

increase its speed

d)

decrease its speed

2.

The sum of two perpendicular vectors of same magnitude F is :

a)

2F

b)

F√2

c)

zero

d)

F√3

3.

The sum of two parallel vectors of same direction and same magnitude F is:

a)

2F

b)

F√2

c)

F√3

d)

zero

4.

Two parallel vectors of opposite directions but same magnitude F, the magnitude of their sum is:

a)

2F

b)

zero

c)

F√2

d)

F√3

5.

The acceleration at equilibrium is

a)

Positive

b)

Negative

c)

Zero

6.

An object is moving with a constant speed, then the sum of forces is equal to

a)

ΣF=0

b)

ΣF = m.a

7.

The force is a

a)

vector

b)

scalar

8.

The magnitude of the frictional force is

a)

negative

b)

positive

c)

always zero

9.

A ball is attached to a rope on a frictionless incline, the Tension is resisting the

a)

W

b)

Wx

c)

Wy

10.

The frictional force of a 1.2Kg-block (μ=0.25) is


Take g=10 N/Kg

a)

f=4N

b)

f=3N

c)

f=2N

d)

f=1N

11.

If the friction < applied force,

then the object's speed

a)

increases

b)

decreases

c)

remains constant

d)

is zero

12.

If the friction > applied force,

then the object's speed

a)

Increases

b)

Decreases

c)

Remains constant

d)

is zero

13.

If the friction = applied force,

then the object's speed

a)

Increases

b)

Decreases

c)

Remains constant

14.

The force exerted by the earth on the moon is ........... to the force exerted by the moon on earth

a)

greater

b)

less

c)

equal

15.

The force exerted by the earth on the falling apple is ........... to the force exerted by the apple on earth

a)

greater

b)

less

c)

equal

16.

Two objects of masses mA and mB=2mA respectively, they undergo the same force F, then:

a)

aA=aB

b)

aA=2aB

c)

aB=2aA