Part A How much force does an 71 kg astronaut exert on his chair while sitting...

Question

Question

Part A

How much force does an 71 kg astronaut exert on his chair while sitting at rest on the launch pad?

Express your answer in newtons.

Part B

How much force does the astronaut exert on his chair while accelerating straight up at 12 m/s2 ?

Express your answer in newtons.

Answer 1

Answer #1

PART A:

Assuming the astronaut is on earth at this moment.

The total force astronaut exert on his chair when he is at rest is

PART B:

When he is accelerating up with an acceleration of 12 m/s², the force on the chair is

Answer 2

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