A 100 kg person and a 75 kg person are sitting on a bench. Estimate the magnitude of the longitudinal force each exerts onthe other. Assume the distance between the people is 220cm. Given the acceleration of gravity at a surface of Planet Q is % of what it is on Earth and that Q has a mass of 5.13 x 10^23 kg.Determine the radius of Planet Q.

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A 100 kg person and a 75 kg person are sitting on a bench. Estimate the magnitude of the longitudinal force each exerts on the other. Assume the distance between the people is 220cm.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter8: Rotational Equilibrium And Rotational Dynamics

Section: Chapter Questions

Problem 8WUE: A horizontal plank 4.00 m long and having mass 20.0 kg rests on two pivots, one at the left end and...

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Concept explainers

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

Equilibrium of Forces

The tension created on one body during push or pull is known as force.

Question

A 100 kg person and a 75 kg person are sitting on a bench. Estimate the magnitude of the longitudinal force each exerts on
the other. Assume the distance between the people is 220cm.

Given the acceleration of gravity at a surface of Planet Q is % of what it is on Earth and that Q has a mass of 5.13 x 10^23 kg.
Determine the radius of Planet Q.

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