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WorksheetsM2.2 Physics - Friction
Total questions: 15
Worksheet time: 12mins
Which of the following scenarios will likely result in the highest rolling friction?
A marble rolling on a smooth tile
A car tire rolling on a sandy road
A steel ball bearing rolling on a glass surface
If a car is moving at a constant speed on a flat road, what can be said about the frictional force acting on it?
It is greater than the engine force
It is equal to the engine force
It is less than the engine force
There is no frictional force
Sam is hover boarding down they hall at a constant velocity. Assuming there is friction, which of the following must be true?
The force applied by the board must be greater than the frictional force
The frictional force must equal the force applied by the board
The force applied must equal zero
There is not enough information
Which object has the most sliding friction acting upon it?
Object #1
Object #2
Object #3
Objects #1, #2, and #3 have equal sliding friction.
What is the coefficient of kinetic friction if a 20 N force is required to keep a 50 N object moving at a constant speed?
0.6
0.5
0.4
0.2
What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 88 N?
0.50
Which of the following surfaces would likely have the highest coefficient of static friction?
Polished wood
Ice
Wet concrete
Dry asphalt
If a block is at rest on an slope, which force is primarily responsible for preventing it from sliding down?
Gravitational force
Normal force
Sliding friction
Static friction
Which type of friction is the strongest? (has the greatest force)
Kinetic friction (sliding friction)
Rolling friction
Static friction
All forms of friction are equal for the same object.
What is the force of friction acting on a 10 kg object sliding on a surface with a coefficient of kinetic friction of 0.4?
4 N
10 N
40 N
0.4 N
Which friction coefficient would most likely describe tape sticking to a wood wall?
0.050
0.300
0.600
0.900
Which object has the most sliding friction (kinetic friction) with the sloping surface?
All objects have equal masses. The slope material is the same for all objects.
Object #1
Object #4
Object #3
All have equal friction.
In which direction does friction force act?
Direction opposite of object's motion.
In same direction as object's motion.
Up direction.
Down direction.
If a box is pushed across a rough surface and then released, what will happen to the box?
It will continue moving at a constant speed
It will gradually slow down and stop
It will move in the opposite direction
It will speed up
Which object has the most friction acting upon it?
The masses of the objects are equal.
Object #1
Object #2
Object #4
All have equal friction.
