Free Printable Friction and forces

Worksheets

Friction and forces

Total questions: 17

Worksheet time: 9mins

Name

Class

Date

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

similar

opposite

parallel

perpendicular

What is the unit that measures force?

Weight

Gram

Newton

Kilogram

How would the absence of friction affect a marble travelling on a long, straight path?

The marble’s speed would decrease.

The marble’s speed would increase.

The marble would stop immediately.

The marble would remain at a constant speed.

What is friction?

It is a resistance force

Friction does not exist

It is an imaginary force

It is a force that moves objects at a constant speed

How do you lower the friction force?

By a smooth surface

By a rough surface

By not pushing hard

By pushing down

Q3. If heavy objects are made to roll, _______friction comes into play.

sliding friction

rolling

static friction

kinetic friction

Q4. Which is not the advantage of friction?

Friction helps in walking.

Friction allows us to write on paper.

Cars and buses move safely on roads due to friction.

Friction causes wear and tear.

Q8. Tyres of vehicles have grooved designs to

reduce friction

increase friction

Q12. Friction can be increased by increasing the ________of the surfaces in contact.

Smoothness

Area

Roughness

None of the above

10.

What surface would have the most friction?

Glass

Marble

Pool table

Sandpaper

11.

What type of force helps slow down a moving car?

normal force

gravitational force

electrical force

frictional force

12.

How does friction affect speed?

more friction decreases speed

more friction increases speed

less friction decreases speed

less friction doesn't affect speed

13.

The force that acts in the opposite direction of motion when two surfaces come in contact.

Force

Friction

Static

Kinetic

14.

How can friction be reduced?

reduce the force acting between the 2 surfaces

reduce the roughness of the 2 surfaces coming in contact

use wax, grease or oil

all of the above are ways of reducing friction

15.

Which of the following is an example of friction that is helpful?

Brakes used on a bike

Tyres from a car on the road

Tread on the bottom of your shoes

All are examples that are helpful

16.

The amount of friction depends on the weight of the objects pressing together.

True

False

17.

Rougher surfaces have ...

greater friction

less friction

the same level of friction

no friction at all

Reset

Friction and forces

Total questions: 17

Worksheet time: 9mins

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