Ask Question
30 August, 23:01

Calculate the magnitude of the force FB in the back muscles that is needed to support the upper body plus the box and compare this with his weight. The mass of the upper body is 55.0 kg and the mass of the box is 30.0 kg.

+1
Answers (1)
  1. 30 August, 23:25
    0
    807.5N

    Explanation:

    The combined mass (m) on the back muscle is 55kg + 30kg = 85kg

    Acceleration due to gravity (g) = 9.8m/s²

    Therefore the force FB = ma = 85*9.8

    FB = 807.5N
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Calculate the magnitude of the force FB in the back muscles that is needed to support the upper body plus the box and compare this with his ...” in 📗 Engineering 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