Author Question: When does kinetic friction occur in trying to push a heavy object? a. When the object is still. b. ... (Read 75 times)

jon_i · **on:** Jul 28, 2018

When does kinetic friction occur in trying to push a heavy object?
a. When the object is still.
b. When the force you apply is smaller than the maximum static frictional force.
c. Just before enough force is applied to move the object.
d. When the force you apply is larger than the maximum static frictional force.
e. When the force you apply is insufficient to set the object in motion.

Question 2

Which statement about terminal speed is true?
a. Terminal speed is the same for all objects.
b. Terminal speed is not affected by weight.
c. Terminal speed is not affected by air resistance.
d. Terminal speed is not affected by size and shape.
e. Terminal speed is affected by size, weight, and shape.