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Find the appared weight of a man weighin...

Find the appared weight of a man weighing 49 kg on earth, when he is standing in a lift which is (i) rising with an acceleration of `1.2 m//s^(2)` (ii) going down with same acceleration (iii) falling freely under gravity (iv) going up or down with unifrom velocity . Take `g= 9.8 m//s^(2) `. \

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SL ARORA-Laws of Motion-Exercise
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  2. Find the appared weight of a man weighing 49 kg on earth, when he is s...

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  3. Find the appared weight of a man weighing 49 kg on earth, when he is s...

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  4. Find the apparent weight of a man weighing 49 kg on earth when he is s...

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  5. Find the appared weight of a man weighing 49 kg on earth, when he is s...

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  6. A body of mass 15 kg is hung by a spring balance in a lift. What would...

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  7. A body of mass 15 kg is hung by a spring balance in a lift. What would...

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  8. A body of mass 15 kg is hung by a spring balance in a lift. What would...

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  9. A mass of 10 kg is suspended from a string, the other end of which is ...

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  15. A gun weighing 4 kg fires a bullet of 80 g with a velocity of 120 ms^(...

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  16. A car of mass 1000 kg moving with a speed of 30 m//s collides with the...

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  17. A bullet of mass 7kg is fired into a block of metal weighing 7kg The b...

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  18. A truck of mass 2xx10^(4) kg travelling at 0.5ms^(-1) collides with an...

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