WorksheetsFriction
Total questions: 11
Worksheet time: 11mins
The factors on which friction depends
nature of the surfaces
how hard the objects are pressed together
both (a) and (b)
none of these
A toy car released with the same initial speed will travel farthest on
Muddy surface
polished marble surface
cement surface
brick surface
What is static friction?
the friction between two objects that are not moving
friction between a rolling object and the surface that it is rolling on
friction is friction where an object rubs against another surface
friction of something going through any type of liquid or air
The amount of friction depends on the normal force of the objects pressing together.
True
False
FN=100N, Ff=20N
μ=5.0
μ=0.2
μ=1.2
μ=0.1
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
What city did Ms. Jahnke student teach in?
Norwalk
New York City
Philadelphia
Rye
How do you find the x-component of force?
cos theta
sin theta
tan theta
How do you find the y-component of force?
sin theta
cos theta
tan theta
