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friction 1

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
2.

If you kick a ball, what stops the ball?

a)

the grass

b)

sand

c)

your foot

d)

friction

3.

Which is easier to skate on?

a)

ice

b)

sand

4.

Friction is a force created by-----

a)

pushing

b)

rubbing

c)

gravity

5.

What does friction cause?

a)

It makes things speed up.

b)

It makes things slow down or stop.

c)

It make things fall to the ground.

6.

Without friction a toy car would ----

a)

keep going and going.

b)

stop right away.

c)

stay at rest all the time.

7.

Friction can sometimes be a problem. True or False?

a)

True

b)

False

8.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
9.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
10.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
11.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
12.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
13.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
14.
What are the units on the force due to friction?
a)
none
b)
Newtons
c)
meters
d)
kilograms
15.

Friction is a type of force. True or False?

a)

True

b)

False

16.

Friction can speed up moving objects. True or False?

a)

True

b)

False

17.

Friction occurs when two surfaces rub against one another. True or False

a)

True

b)

False

18.

Less Friction is always a disadvantage. True and False

a)

True

b)

False

19.

Choose an example where friction is useful

a)

Ice skating

b)

Sliding down a slide

c)

Climbing the stairs

d)

Bowling

20.

Rubbing your hands together creates _____.

a)

gravity

b)

heat

c)

mass

d)

volume