CBSE-IX-Science
03: 1-Forces and Laws of Motion
- #4Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accelerates from rest?Ans : when a moving bus brakes to a stop we fall in the forward direction because we are also moving with the speed of bus due to the inertia of motion and when suddenly it puts brakes i.e. comes to rest the lower half of our body also comes to rest but the upper half of our body not being in close contact with bus is still in the phase of motion so we fall in the forward direction.
When the bus accelerates from rest, we are also at rest being on the resting seat as the engine applies force in forward direction we fall backwards due to the inertia now.