Physics, 24.02.2020 20:56 diamondpositive68
A lever is used to lift up a 100N weight. The fulcrum is 10cm from the weight. If the effort force is applied at a distance of 50cm from the fulcrum, what is the effort force required to lift the 100N weight?
A) O N
B) 20 N
C) 50 N
D) 100 N
Answers: 3
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