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Force 01

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
2.
How is gravity affected by mass?
a)
the larger the mass of the object, the greater the gravity
b)
small objects have no gravity
c)
gravity is not affected by mass of objects, whether large or small
3.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
4.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
5.
Which one is balanced?
a)
top
b)
bottom
c)
both
6.
Is it BALANCED? 
a)
Yes
b)
No
7.
What is the unit for FORCE? 
a)
N (Newtons)
b)
lbs (pounds)
c)
g (grams)
d)
m/s (meters per second)
8.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
9.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
10.
Is gravity a push or a pull?
a)
push
b)
pull
c)
neither
d)
both
11.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
12.
What is produced by the friction of two surfaces rubbing against one another?
a)
matter
b)
steam
c)
electricity
d)
heat
13.

What does friction do to the motion of an object?

a)

Friction slows down or stops an object.

b)

Friction keeps an object from moving.

c)

Both of the above

14.

What does the strength of the friction force depend on

a)

The types of surfaces

b)

The weather

c)

How hard the surfaces push together

d)

speed

15.

The cars are resting on the truck without moving. What type of friction explains that?

a)

static friction

b)

rolling friction

c)

sliding friction

d)

fluid friction

16.

Friction is one of many forces. Which type of force is it?

a)

Contact force

b)

Non-contact force

17.

Select all the examples of sliding friction

a)

washing your hands

b)

sitting in a chair

c)

skiing down a mountain

d)

swimming in the pool

e)

writing in a notebook

18.

If there was no friction on Earth, you would...

a)

slide until you hit another object

b)

be able to climb better

c)

run faster

d)

never move

19.
When two forces acting on an object are not equal in size.
a)
Balanced Force
b)
Friction
c)
Velocity
d)
Unbalanced Force
20.
If all four forces are balanced, the plane will
a)
plummet to the ground
b)
fly faster and faster
c)
fly slower and slower
d)
fly at a constant speed and direction