Question

1. Write one example for each of the following type of motion. (i) Rectilinear (ii) Circular (iii) Periodic (iv) Circular and periodic

Answer 1

i An object moving on a straight road falling stone etc.ii A mark on blades of a rotating fan tips of the hands of a clock etc.iii Motion of a child on a swing motion of pendulum strings of a guitar etc.iv Blades of a rotating fan hands of a clock etc.

Answer 2

i) rectilinear - a car going straight
ii) circular— a boy running around a circle ground
iii)periodic — motion of a pendulum of a clock
iv) circular and periodic— motion of a player running around a ground constantly

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