Abbi275 Abbi275

09-11-2019
Physics

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counterweight required for the boom to be balanced

counterweight required for the boom to be balanced class=

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MathPhys MathPhys

09-11-2019

Answer:

2400 N

Explanation:

When the boom is balanced, N = 0.

Sum of the torques about the pivot:

∑τ = Iα

-W (0.5) + F (3.0) = 0

0.5 W = 3.0 F

W = 6.0 F

Given F = 400 N:

W = 2400 N

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