You have been hired to design a famıly-friendly see-saw. Your design will feature a uniform board (mass M= 5 kg, length L = 8 m) that can be moved so that the pivot is a distance d from the center of the board. This will allow riders to achieve static equilibrium even if they are of different mass, as most people are. You have decided that each rider will be positioned so that his/her center of mass will be a distance xoffset = 17 cm from the end of the board when seated as shown. You have selected a child of mass m = 27 kg (shown on the right), and an adult of mass n=4 times the mass of the child (shown on the left) to test out your prototype. Xoffset X,ffset Part (a) Determine the distance d in m. Part (b) Determine the magnitude of the force exerted on the pivot point by the see-saw in N.

You have been hired to design a famıly-friendly see-saw. Your design will feature a uniform board (mass M= 5 kg, length L = 8 m) that can be moved so that the pivot is a distance d from the center of the board. This will allow riders to achieve static equilibrium even if they are of different mass, as most people are. You have decided that each rider will be positioned so that his/her center of mass will be a distance xoffset = 17 cm from the end of the board when seated as shown. You have selected a child of mass m = 27 kg (shown on the right), and an adult of mass n=4 times the mass of the child (shown on the left) to test out your prototype. Xoffset X,ffset Part (a) Determine the distance d in m. Part (b) Determine the magnitude of the force exerted on the pivot point by the see-saw in N.

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 75A

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