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rnysics Class - XIth Newton's Laws of Motion Set-A 1. A block of mass $15\mathrm{kg}$ is moving with a constant velocity of $4\mathrm{m}/\sec$; then calculate the force of the block. 2. In the above question, if the block gets an acceleration of $3\mathrm{m}/{\sec }^2$; then calculate the force. 3. A body of mass $16\mathrm{kg}$, starts from rest. It acquires a velocity of $100\mathrm{m}/\sec$, after it has travelled a distance of 200 metres. Calculate the average force exerted on the body. 4. In the above question in what time it will acquire the velocity of $100{\mathrm{ms}}^{-2}$. 5. There is a block of mass $40\mathrm{kg}$. A force of 60 newton is applied upon it. Calculate the time in which the block will acquire a velocity of $30\mathrm{m}/\sec$. 6. A spring balance is kept horizontally, its two ends are pulled by a force of $5\mathrm{kg}$ then what will be its reading? 7. A body of mass 10 gram is moving with a constant velocity of $4\mathrm{cm}/\sec$. on a frictionless table. Calculate the force o the table.

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Updated on: Dec 26, 2022