Question

1. A box was pushed equal distance on four different
surfaces. The force needed for each surface was
recorded in the given table Surface M NO P
Force Needed (N) 670 570 320 500 On which
surface was the friction least?
(aM
(b) N
(c)O
(d) P
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Answer 1

Answer:

Correct Answer: C

Solution :

Friction opposes the motion of an object. For surface O, force needed to push the box is least i.e., 320 N, so it has least friction.