SOLUTION: A block mass 0.5kg rest on the floor of a lift which is moving with an acceleration 2m/sē . calculate the reaction between the block and the lift.

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Question 1073590: A block mass 0.5kg rest on the floor of a lift which is moving with an acceleration 2m/sē . calculate the reaction between the block and the lift.
Answer by ikleyn(52835) About Me  (Show Source):
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0.5*g + 0.5*2 = 0.5*9.81 + 1 = 5.905 newtons if the lift moves vertically up.

0.5*g - 0.5*2 = 0.5*9.81 - 1 = 3.905 newtons if the lift moves vertically down.


g = 8.81 m/s^2 is the gravity acceleration.