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WorksheetsFriction In Class Qs
Total questions: 10
Worksheet time: 13mins
Static Friction is present only when an object is at rest.
True.
False.
Kinetic friction is always ... Static friction
Greater than
Less than
Similar to
unrelated to
The mass of a brick is 5kg, and it is stationary. What is the maximum static friction if the coefficient is 0.66?
3.3
33
3.3N
33N
There are 25N of friction that keep a 10kg brick moving at a constant rate. What is the coefficient of friction?
0.25
0.25N
4
4N
A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50.What is the magnitude of the frictional force that acts on the block?
5 N
8 N
2 N
0 N
When looking at friction problems, if the net force in the x-direction on an object is zero, what can we say about its acceleration?
it is positive
it is negative
it is zero
not enough information is given
