Question

Ashish is sitting in a moving train facing towards engine of train he tosses ball vertically upward and the ball fall behind him. it concluded that train is .
1. Moving forward and losing speed
2. Moving forward and gaining speed
3. Moving forward with uniform speed
4. Moving backward with uniform speed

Answer 1

From the frame of reference of train, a pseudo force on coin must act in backward direction for it to move behind, which is possible only when the train is moving forward and gaining speed and also when the train is moving backward and losing speed.

Therefore (A) and (C)

Answer 2

▛▢▀▢▀▢▀▢▀▢⋆☆⋆▢▀▢▀▢▀▢▀▢▜

✯ HERE IS YOUR ANSWER ✯

▙▢▄▢▄▢▄▢▄▢⋆☆⋆▢▄▢▄▢▄▢▄▢▟

From the frame of reference of train, a pseudo force on coin must act in backward direction for it to move behind, which is possible only when the train is moving forward and gaining speed and also when the train is moving backward and losing speed.

Therefore (A) and (C)