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Answers
Answer:
Rectilinear motion = elevators in public places
Curvilinear motion = a stone throw into the air at an angle
Rotational motion = wheel,spinning top
Periodic motion = bouncing a ball
non-periodic motion = swaying of branches of a tree
Rectilinear motion.
(i) A train moving on a straight track.
(ii) A car moving on a straight road.
Curvilinear motion.
(i) A car taking a turn.
(ii) A child going down a slide.
Rotational motion.
(i) Motion of the blades of the helicopter is also rotatory motion.
(ii) A door, swiveling on its hinges as you open or close it.
Periodic motion.
(i) A ball tied to string .
(ii) The motion of a clock pendulum.
Non- periodic motion.
(i) Swaying of the branches of a tree.
(ii) The running of a batsman between the wickets.
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