Question
A 73kg person stands on a scale in an elevator.
- What does the scale read (in N) when the elevator is accelerating upward at 2.8 m/s2 ?
- What does the scale read (in N) when the elevator is accelerating downward at 2.8 m/s2 ?
- What does the scale read (in N) when the elevator is accelerating upward at 2.8 m/s2 ?
- What does the scale read (in N) when the elevator is accelerating downward at 2.8 m/s2 ?
Answers
up ... 73 * (9.8 + 2.8) ... N
down ... 73 * (9.8 - 2.8) ... N
down ... 73 * (9.8 - 2.8) ... N
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