Which is harder to slow down? A car going up a hill, because there is a componen

Question

Which is harder to slow down?

A car going up a hill, because there is a component of the gravitational force pulling the car up the hill. Braking must overcome that force component as well as give the car a positive acceleration. A car going down a hill, because there is a component of the gravitational force pulling the car down the hill. Braking must overcome that force component as well as give the car a negative acceleration. A car going up a hill, because there is a component of the gravitational force pulling the car up the hill. Braking must overcome that force component as well as give the car a negative acceleration. A car going down a hill, because there is a component of the gravitational force pulling the car down the hill. Braking must overcome that force component as well as give the car a positive acceleration.

Explanation / Answer

It is hard to slow down the car in last cast.

In this case car's motion is in downward direction and braking to the car overcome the downward direction so its

speed will decrease and it give a positive acceleration which is called retardation.

answer

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