NEW
Font size
WorksheetsFRICTION
Total questions: 10
Worksheet time: 5mins
Friction is a force that acts in an ___________ direction of movement.
similar
opposite
parallel
west
The amount of friction depends on the weight of the objects pressing together.
TRUE
FALSE
What type of friction is not moving?
STATIC
FLUID
ROLLING
SLIDING
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
A type of friction that occurs when air pushes against a moving object causing it to decelerate.
SURFACE SREA
AIR RESISTANCE
VELOCITY
GRAVITY
Which of the following is an example of friction that is helpful?
Brakes used on a bike
Tires from a car on the road
Tread on the bottom of your shoe
All are examples that are helpful
Which of the following is an example of friction that is harmful?
Pencil marking on paper
Engine parts wearing out
sand placed on ice in the winter
Using an eraser to erase marks
How would the absence of friction affect a marble traveling 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 constant speed.
When two surfaces rub, the irregularities of one surface get caught on those of the other surface?
TRUE
FALSE
Rougher surfaces have ...
greater friction
less friction
the same level of friction
