Science, asked by divyanshu4870, 1 year ago

(c) The force, needed to start a cart, is (somewhat) greater than the force
needed to keep it moving with a uniform speed
(d) Sportsmen use shoes fitted with spikes​

Answers

Answered by Ruchikashiyap
6

Answer:

To start a cart you need greater force, because you need to overcome the static friction acting on the wheels of cart.

But once the cart starts moving rolling friction acts on the wheels . As we know that rolling decreases friction and makes movement of things easier. thus,

static friction>rolling friction

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