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PSEB-Laws of Motion-Exercise
- If, in Exercise 5.21, the speed of the stone is increased beyond the m...
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- If, in Exercise 5.21, the speed of the stone is increased beyond the m...
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- Explain why:- a horse cannot pull a cart and run in empty space.
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- Explain why:- passengers are thrown forward from their seats when a sp...
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- Explain why:- it is easier to pull a lawn mower than to push it.
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- Explain why:- a cricketer moves his hands backwards while holding a ca...
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- Figure 5.17 shows the position-time graph of a body of mass 0.04 kg. S...
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- Figure 5.18 shows a man standing stationary with respect to a horizont...
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- A stone of mass mtied to the end of a string revolves in a vertical ci...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A stream of water flowing horizontally with a speed of 15m s^-1 gushes...
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- Ten one-rupee coins are put on top of each other on a table. Each coin...
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- Ten one-rupee coins are put on top of each other on a table. Each coin...
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- Ten one-rupee coins are put on top of each other on a table. Each coin...
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- An aircraft executes a horizontal loop at a speed of 720 km//h with it...
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- A train runs along an unbanked circular track of radius 30 m at a spee...
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- A block of mass 25 kg is raised by a 50 kg man in two different ways a...
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- A monkey of mass 40kg climbs on a rope (Fig. 5.20) which can stand a m...
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