Laws of Motion 3 Question 16
17. When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.
(1981, 2M)
Analytical & Descriptive Questions
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Answer:
Correct Answer: 17. $F$
Solution:
- The frictional force exerted by the
surface on the person is in the direction of his motion, since the legs pushes the surface backward direction.
