WorksheetsFriction 2.8.21
Total questions: 9
Worksheet time: 11mins
Name
Class
Date
1.
True or False: objects that are smooth have LESS friction than objects that are rough
a)
TRUE
b)
FALSE
2.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
3.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
4.
What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
5.
The force that acts in the opposite direction of motion when two surfaces come in contact.
a)
Force
b)
Friction
c)
Static
d)
Kinetic
6.
What is the coefficient of static friction for steel on steel?
a)
0.57
b)
0.74
c)
0.42
d)
0.53
7.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
8.
What is the force of friction between a block of ice that weighs 950 N and the ground if μ = .12?
a)
65 N
b)
226 N
c)
175 N
d)
114 N
9.
A box takes 40 N to start moving when the coefficient of static friction is .54. What is the weight of the box?
a)
81 N
b)
18 N
c)
98 N
d)
74 N
100 %
