Question

A particle A is at rest and particle B moves in a circle with A at it's centre. The particle A will appear :
(A) at rest if seen from B
(B) to move in straight line if seen from B
(C) to move in a circle if seen from B
(D) to move in parabola if seen from B

Answer 1

Explanation:

A particle is dropped from point `A` at a certain height from ground. It falls freely and passes through thre points `B, C` and `D` with `BC=CD`. The time taken by the particle to move from `B` to `CD` is `2s` and from `C` to `D` is `1s`. The time taken to move from `A` to `B` is s

Answer 2

Answer:

option C

Explanation:

as we see the rest point A from B so we think that the particle A is moving in circular direction