Question

Give 2 examples for each of the motion along a straight line, circular motion and periodic motion.

Answer 1

Examle of Motion along a straight line – displacement, speed, velocity, acceleration(motion of a car on road)
Examples of circular motion : an artificial satellite orbiting the Earth at a constant height, a fan's blades 
Examples of periodic motion:rocking chair, a bouncing ball, a vibrating tuning fork, a swing in motion , pendulum