Question

16.
A person walking on road avails force for forward motion by :
a) pushing the road in backward direction b) pushing the road in forward directio
c) pushing air backward
d) pushing air forward​

Answer 1

Answer:

pushing air backward (c)

Explanation:

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Answer 2

A person walking on the road avails force for forwarding motion by a) pushing the road backwards.

How is it so?

• At the point when an individual strolls, he pushes the ground backwards and thus ground applies a forward frictional force to assist him with moving.
• To begin moving, we should apply an extra power (currently our weight is following up on) something, for this situation, the ground.
• This power should be applied in a forward inclining course.
• By Newton's third law of motion, the ground applies back an equivalent and inverse force along the line of activity of the power we apply on the ground.
• The upward part of this response force adjusts our weight (so we have no movement opposite to the ground), and the even part pushes us forward.

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