Question

Subject-physics
M.M.27
1-the acceleration of a body is zero what is the nature of the it's s t graph?(1)
2-when a carpet is beaten with a stick dust comes out of it explain?(1)​

Answer 1

Explanation:

When acc. =0, motion is uniform. The distance-time graph will be a straight line, making some angle with time axis.

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.

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Answer 2

Answer:

1) The distance-time graph will be a straight line, making some angle with time axis.

see the picture.

2)If a carpet is beaten with a stick then the carpet begins to move. But, the particles of dust are trying to resist their state of rest. 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.

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