Question

Q1 why a feather and a heavy object can fall at the same time if placed in vacuum Q2 why parachute cannot be used to land on the surface of moon? Explain ​

Answer 1

Answer:

Explanation:

A1 Because there is no air in vacuum to resist the feather

A2 There is no air in the moon to resist

Answer 2

Answer:

Q1 Because acceleration due to gravity is same for all object. The time taken by a object to fall down is independent from the mass of the object. ... When two objects in vacuum are falling from the same height, at the same location, the earth gravity they experience are the same, so they will always have the same speed.

Q2 The Moon has no atmosphere so there is no drag on the capsule to slow its descent; parachutes will not work. Lunar landing vehicles were equipped with rocket engines that were fired by the pilot to provide lift — thrust in the opposite direction of descent — during the rapid descent to the Moon's surface.

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