Question

Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as

1. rectilinear motion,
2. circular motion and
3. both rectilinear as well as circular motion. 

Can you list one part of the bicycle for each type of motion? Support your answer with reason.

Answer 1

1. Rectilinear motion : Handle bar or seat of the bicycle has rectilinear motion only. It moves in a straight line as the wheels of bicycle move forward.
2. Circular motion : Pedal of the bicycle is having circular motion only as it rotates with its shaft but does not move from its place.
3. Rectilinear and circular motion : Wheel of the bicycle is having both circular and rectilinear motion. Wheels rotate on their shafts as well as move forward on the ground.