A small sphere of mass m and radius r starts from rest at height h and rolls without slipping along the track shown in the figure. The radius of the loop (R) is much larger than the radius of the sphere (r). If h = 3R, find the magnitude of the normal force acting on the sphere at point P which is at the horizontal end of the circular track. (The moment of inertia of the sphere is I =mr? ) Figure P10.79 (Serway-Jewett) Select one: O a. N = mg 7r O b. N = mg 10R O C. N = SR mg d. N = m e. N =mg

A small sphere of mass m and radius r starts from rest at height h and rolls without slipping along the track shown in the figure. The radius of the loop (R) is much larger than the radius of the sphere (r). If h = 3R, find the magnitude of the normal force acting on the sphere at point P which is at the horizontal end of the circular track. (The moment of inertia of the sphere is I =mr? ) Figure P10.79 (Serway-Jewett) Select one: O a. N = mg 7r O b. N = mg 10R O C. N = SR mg d. N = m e. N =mg

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

A small sphere of mass m and radius r starts from rest at height h and rolls without slipping along the track shown in the figure. The radius of
the loop (R) is much larger than the radius of the sphere (r).
If h = 3R, find the magnitude of the normal force acting on the sphere at point P which is at the horizontal end of the circular track.
(The moment of inertia of the sphere is I = ?mr² )
Figure P10.79
(Serway-Jewett)
Select one:
Ο . Ν =
mg
O b. N =
7r
10R
mg
V3r
O C. N =
5R mg
3R
O d. N = mg
2r
O e. N =

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