Question

In this figure the card was flicked with a push
A)what do you observe in the above case and why? b)state the law involved in the above case c)what will be your observation if the above coin is replaced by a heavy five rupees coin ? Justify

Answer 1

Explanation:

1. The coin will fall into the class as the card on which coin was resting is removed.
2. Newton's first law is applicable here , that is , Law of Inertia .This is because inertia of the coin will make it stay at rest .
3. According to my way of thinking it might be same as if the weight will change , then the friction force applied by the card will also change .

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Answer 2

Observations:

• The coin will fall inside that glass.

• Newton's 1st law, that the inertia of that coin will make it stay at rest position.

• same case might happen. or because of the higher mass, the friction will be higher. so it may go with the card.

Law involved:

This is the Newton's 1st law of motion.

Newton's first law states if the body is at rest or in moving at the constant speed in straight line, it will remain at the rest position or keep moving in the same straight line at constant speed unless it is acted up-on by any force.

If five rupee coin is placed then:

• By the observation, we can conclude that the same case which happened in the first case ( the one rupee coin).

• Because, In Newton's third law it is stated that, an object tends to remain at rest position unless or untill the unbalanced force is applied.

• The coin was at the rest position, & we had applied force on the card ,which was at rest, so card will move out but the coin will fall in  glass (as this has no other surface, so it will fall in the glass) as we had not applied any force on the coin.

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