- #1
cracktheegg
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1. The ratio of limiting friction to the normal reaction is known as
Answer
a)angle of friction.
b)angle of repose.
c)coefficient of static friction.
d)coefficient of kinetic friction.
Question 2
When a block is at rest on an inclined plane,
Answer
a)the friction force is equal to the static friction.
b)the friction force is equal to the kinetic friction.
c)the friction force is zero.
d)the friction force is less than the static friction.
Question 3
The coefficient of static friction is ______ the coefficient of kinetic friction.
Answer
a) less than
b)equal to
c) more than
d)dependent on
Fs=urn
1)c
2)a
3)c
Answer
a)angle of friction.
b)angle of repose.
c)coefficient of static friction.
d)coefficient of kinetic friction.
Question 2
When a block is at rest on an inclined plane,
Answer
a)the friction force is equal to the static friction.
b)the friction force is equal to the kinetic friction.
c)the friction force is zero.
d)the friction force is less than the static friction.
Question 3
The coefficient of static friction is ______ the coefficient of kinetic friction.
Answer
a) less than
b)equal to
c) more than
d)dependent on
Homework Equations
Fs=urn
The Attempt at a Solution
1)c
2)a
3)c