11 Newton's Laws and Pulleys

# 11 Newton's Laws and Pulleys - a Pull on the rope yourself...

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Draw accurate (proportionate) force diagrams for each of the masses below. 5 kg 8 kg
Write out Newton’s 2 nd Law for each of the masses below. 5 kg 8 kg

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Consider the movable pulley to be part of the 5 kg mass. Draw accurate force diagrams for each of the masses below. 5 kg 8 kg
5 kg 8 kg Write out Newton’s 2 nd Law for each of the masses below.

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You wish to stand on the platform below and be raised up. Which would be easier?

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Unformatted text preview: a) Pull on the rope yourself. b) Have your friend (who is just as strong as you) pull on the rope. c) It does not matter. The platform below is 100kg. What force must be applied on the end of the rope to hold up the platform? Hint: draw a force diagram for the platform and lower two pulleys (considering them as one object)....
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11 Newton's Laws and Pulleys - a Pull on the rope yourself...

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