Basics of Motion

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Types of Motion

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Important Questions

In which of the following examples of motion, can the body be considered approximately a point object:
(a) 
A railway carriage moving without jerks between two stations.
(b) A monkey sitting on top of a man cycling smoothly on a circular track.
(c) A spinning cricket ball that turns sharply on hitting the ground.
(d) A tumbling beaker that has slipped off the edge of a table.

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Two examples of periodic motion

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What type of motion do the following objects have?
(a) A galloping of a horse.
(b) The needle of a sewing machine.
(c) A flying mosquito.
(d) The blades of an electric fan.
(e) The wheels of moving car.

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Which of the following is one dimensional motion?

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Boojho was riding in his bicycle along a straight road. He classified the motion of various parts of the bicycle as
(i) Rectilinear motion
(ii) Circular motion and
(iii) 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.

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An apple falling from a tree is an example of ______ motion

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A to and fro motion by an object is also called 

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

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Correct the following:
The motion of a swing is an example of rectilinear motion.

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Define uniform and non uniform motion.

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