A 20 kg wooden plank is supported by a fulcrum at the midpoint. A 79 kg man is positioned 1.5 m from the fulcrum who balances a boy positioned 3.0 from it. What is the approximate mass of the boy O 20 kg O 40 kg O 50 kg O 30 kg
A 20 kg wooden plank is supported by a fulcrum at the midpoint. A 79 kg man is positioned 1.5 m from the fulcrum who balances a boy positioned 3.0 from it. What is the approximate mass of the boy O 20 kg O 40 kg O 50 kg O 30 kg
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section: Chapter Questions
Problem 1STP
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