11. A uniform board of mass 5 kg serves as a seesaw for two children. The child on left has a mass of 20 kg sits at 2 m from the pivot point. At what distance from the pivot must child on right of mass 30 kg place herself to balance the seesaw? (a) 1.2 m _(b) 1.3 m (c) 2.2 m (d) 3.1 m

11. A uniform board of mass 5 kg serves as a seesaw for two children. The child on left has a mass of 20 kg sits at 2 m from the pivot point. At what distance from the pivot must child on right of mass 30 kg place herself to balance the seesaw? (a) 1.2 m _(b) 1.3 m (c) 2.2 m (d) 3.1 m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

11. A uniform board of mass 5 kg serves as a seesaw for two children. The child on left has a mass of 20
kg sits at 2 m from the pivot point. At what distance from the pivot must child on right of mass 30 kg
place herself to balance the seesaw?
(a) 1.2 m
(b) 1.3 m
(c) 2.2 m
(d) 3.1 m

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