005 10.0 points If you have to apply 30 N of force on a crowbar to...

Question

Question

science physics

Answer 1

Answer #1

1) Input Force = 30 N

Output Force = 330 N

Mechanical Advantage = Output Force 330 Input Force 3011

2) Mass = 66.7 kg

Distance , h = 4m

The acceleration due to gravity = 9.8 ms^-2

Then potential energy = mgh = 66.7 x 9.8 x 4 = 2614.64 J

Answer 2

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