Question

EXERCISES
C.
A. Choose the correct answer.
1. Friction opposes
motions.
a. all
b. relative
rotational
d. vibrational
2. A book pushed on a table moves towards right. In this situation, pushing force is
friction force.
a. less than
b. more than c. equal to
d. none of these
3. A child could not push a box lying on the ground. The force applied by the boy is
static friction force.
less than
b. more than
c. equal to
d. none of these
4. Identify the correct relation.
a. rolling friction > static friction
b. static friction < sliding friction
c. rolling friction < sliding friction
d. rolling friction = sliding friction
a.
3​

Answer 1

Answer:

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Answer 2

1. a
2. b
3. a
4. c

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