Question

identify positive negative and zero acceleration when brakes are applied to a bicycle in motion​

Answer 1

Answer:

Explanation:positive- when we raise speed of car, then final velocity is greater than initial velocity ,.

So, a=v-0 is positive

t

negative- when we apply breaks

then body comes in rest and final velocity becomes zero.

So, a = 0-u

t

So, aaceleration is negative.

Hope u got it!

Answer 2

Answer:

Negative acceleration happens which is also known deacceleration