Question 1: Classify the following as motion along a straight line, circular or oscillatory motion:
(i) Motion of your hands while running.
(ii) Motion of a horse pulling a cart on a straight road.
(iii) Motion of a child in a merry-go-round.
(iv) Motion of a child on a see-saw.
(v) Motion of the hammer of an electric bell.
(vi) Motion of a train on a straight bridge.

Question

Pawan Prajapati · Answer

Answer:(i) Oscillatory motion While running, the hands move to and fro and repeat their motion after a given interval of time. Hence, it is an oscillatory motion. (ii)Straight line The horse is pulling a cart on a straight road. Therefore, it has a motion along a straight line. (iii)Circular motion Merry-go-round has a circular motion. Therefore, a child sitting inside it will also have a circular motion. (iv) Oscillatory motion The child on a see-saw goes up and down continuously. It oscillates up-down. Therefore, it is an oscillatory motion. (v)Oscillatory motion The hammer hits the electric bell and vibrates rapidly. Therefore, it is an oscillatory motion. (vi) Straight line The train is moving on a straight bridge. Therefore, it has a motion along a straight line.

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