A see-saw consists of a uniform board with mass 43.6kg and length l = 2.01m. It supports two friends who are at rest with masses mj= 45.4kg and m2 =46.4kg as shown in the figure. If Friend 1 sits at a distance of l/2 from the pivot point, where must Friend 2 sit in order to balance the see-saw? (Include the SI unit in your answer.)

A see-saw consists of a uniform board with mass 43.6kg and length l = 2.01m. It supports two friends who are at rest with masses mj= 45.4kg and m2 =46.4kg as shown in the figure. If Friend 1 sits at a distance of l/2 from the pivot point, where must Friend 2 sit in order to balance the see-saw? (Include the SI unit in your answer.)

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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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A see-saw consists of a uniform board with
mass 43.6kg and length l = 2.01m. It supports
two friends who are at rest with masses mj=
45.4kg and m2 =46.4kg as shown in the figure. If
Friend 1 sits at a distance of l/2 from the pivot
point, where must Friend 2 sit in order to balance
the see-saw? (Include the SI unit in your answer.)
m,
m2
(/2
w
W2

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