Question

. Give the reason for the following
a. When carpet is beaten dust comes out of it.
b. Luggage kept on the roof of bus is ties with rope
C. A pace bowler runs for long distance before he bowls​

Answer 1

• An object's inertia tends to resist any change in its state of rest or motion. If a carpet is beaten with a stick then the carpet begins to move. ... The dust particles remain in a state of rest, while the carpet moves, as per Newton's first law of motion. The particles of dust thus emerge from the carpet.
• While the bus is moving, luggage tends to remain in inertia of motion state. When the bus stops, the luggage tends to resist the change and due to inertia of motion it moves forward and may fall off. That's why it is advised to tie any luggage kept on the roof of a bus with a rope.
• the pace bowler in cricket runs fast from a long distance before he bowls because when he run the bowler gains inertia... so by inertia of motion he can gain momentum.... by gaining momentum the bowler can bowl rhe ball with more inertia means with more speed .

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Answer 2

Answer:

a. When Carpet is beaten dust comes out of it because when we beat it the carpet will go into in motion while the dust present on the carpet will tend to remain in rest due to inertia of rest that's why we will be able to see dust on it.