A body is hanging from the hook of a spring balance and the balance is also hanging from the ceiling of a freely falling elevator. What will be the reading? Read more
Explain why the earth is flattened at the poles. - Questions and Answers from Gravity and Gravitation, Mechanics, Physics, AnkPlanet. Read more
If an earth satellite moves to a lower orbit there is some dissipation of energy, and yet its speed increases. Explain. - Questions and Answers Read more
The value of g on a planet is 196 cm/s². If it is safe to jump from a height of two metres on earth, what will be the corresponding safe… Read more
Which takes more fuel, a voyage from the earth to the moon or from the moon to the earth? Explain. - Questions and Answers from Gravity and Gravitation. Read more
If the sun somehow collapsed to form a black hole, what effect would this event have on the orbit of the earth? - Questions and Answers Read more
A thief weighing 60 kg jumps from the window of a house with a box of 40 kg in his hand. How much weight of the box will he experience?… Read more
The acceleration of a falling body is measured inside an elevator travelling at constant speed 9.8 m/sec. What result is obtained? - Questions and Answers Read more
How do the K.E. and P.E. of a satellite change when it moves around the earth in elliptical orbit? - Questions and Answers from Gravity and Gravitation Read more
In circular orbit, the satellite of earth has same K.E. and P.E. everywhere. Why? - Questions and Answers from Gravity and Gravitation Read more