WorksheetsFriction Refresher
Total questions: 13
Worksheet time: 7mins
This or That...
Chocolate
Vanilla
A crate filled with delicious junk food rests on a horizontal floor. Only the force of gravity and the normal force act on it.
The net force on the crate is ___________
zero
greater than zero
A slight pull, P, is exerted on the crate, not enough to move it.
The force of friction acting on the crate is ______ P
less than
<
equal to
=
greater than
>
A slight pull, P, is exerted on the crate, not enough to move it.
The net force on the crate is _________
zero
= 0
greater than zero
> 0
The pull, P, is increased until the crate begins to move. It is pulled so that it moves with constant velocity across the floor.
The force of friction acting on the crate is ______ P
less than
<
equal to
=
greater than
>
The pull, P, is increased until the crate begins to move. It is pulled so that it moves with constant velocity across the floor.
The Net Force acting on the crate is ______ to zero
less than
<
equal to
=
greater than
>
Pull P is increased so its now greater than friction f
The Net Force acting on the crate is ______ to zero
less than
<
equal to
=
greater than
>
This or That
Bronco Blue
Bronco Red
The mass is measured in which of the following units?
(mark all that are correct)
kilograms
meters
Newtons
kg
s2m
What is the frictional force of an object that slides along a horizontal surface if its weight is 10 N and the coefficient of friction is 0.25?
40 N
9.75 N
2.5 N
25 N
______________ friction is when an object that is pushed horizontally, but does not move.
Kinetic
Static
This is the unit of Force - select all that apply
Joules
Newtons
kg⋅s2m2
kilograms
kg⋅s2m
What is the coefficient of friction for an object with a weight of 20 N that experiences a frictional force of 15 N?
5
1.33
0.75
7.5
