Calculate how much an astronaut with mass of 90 kg would weigh while standing on the surface of Mars. The acceleration due to gravity on Mars is approximately 3.7 m/s^2. Express your answer in Newtons. Show your work

Question

Physics

Savanna Bean

31 October, 17:37

Calculate how much an astronaut with mass of 90 kg would weigh while standing on the surface of Mars. The acceleration due to gravity on Mars is approximately 3.7 m/s^2. Express your answer in Newtons. Show your work

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Answers (1)

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Julius Haas · Answer 1

The weight of anything is

(the thing's mass) times (gravity in the place where the thing is located).

Gravity on Earth is 9.8 m/s².

90 kg of mass weighs (90 kg) · (9.8 m/s²) = 882 Newtons on Earth.

Gravity on the Moon is 1.62 m/s².

The same 90 kg weighs (90 kg) · (1.62 m/s²) = 146 Newtons on the Moon.

Gravity on Mars is 3.7 m/s².

The same 90 kg of mass weighs (90 kg) · (3.7 m/s²) = 333 Newtons on Mars.