Ask Question
26 January, 03:06

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

+3
Answers (1)
  1. 26 January, 03:22
    0
    B) 20 N

    Explanation:

    Sum of torques about the fulcrum:

    ∑τ = Iα

    (100 N) (10 cm) - F (50 cm) = 0

    F = 20 N
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “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 ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers