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प्रश्न
Is the motion of moon around the earth in circular path an accelerated motion?
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उत्तर
Yes, it is an accelerated motion.
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संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
In which of the following cases is work being done:
- A boy pushing a heavy rock
- A boy climbing up the stairs
- A coolie standing with a box on his head
- A girl moving on the road.
A girl weighing 400 N climbs a vertical ladder. If the value of g be 10 m s−2, the work by her after climbing 2 m will be :
On what factors does the work done by a force depend?
Can every force produce work?
State the energy changes which take place when A piece of magnesium wire is burnt in a jar of oxygen.
How much energy is gained by a box of mass 20 kg when a man, runs carrying the box with a speed of 3 m/s-1 to catch the bus?
A coolie, with a load of 30 kg on his head, walks on the platform. If he walks a distance of 60 m, what is the work done by him?
