Question

Explain the following type of motion with an example each:
(i) acceleration is positive
(ii) acceleration is negative
(iii) acceleration is zero

Answer 1

Answer:

1. +ve acceleration = when a car is moving in a straight road and its speed is increasing in equal amount in equal interval of time .

2. -ve acceleration = when a car is moving in a straight road and its speed is decreasing in equal amount in equal interval of time .

3. zero acceleration= car's velocity is not changing or is not at motion.