A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the following figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of static friction between rod and floor is us=0.35. ΤΑ W ) If the angle a=700, the friction at B is The minimum angle a for the rigid rod to remain at rest is 64 8.66 5.77 7 8 9 11 at rest B 48 42 61 in motion M and the static friction at B is thus the system is in impending motion in intermediate motion

A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the following figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of static friction between rod and floor is us=0.35. ΤΑ W ) If the angle a=700, the friction at B is The minimum angle a for the rigid rod to remain at rest is 64 8.66 5.77 7 8 9 11 at rest B 48 42 61 in motion M and the static friction at B is thus the system is in impending motion in intermediate motion

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

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

K
A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the following
figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of static friction between
rod and floor is us=0.35.
7
W
a
a) If the angle a=700, the friction at B is
b) The minimum angle a for the rigid rod to remain at rest is
3.64 8.66 5.77 7
8 9 11
at rest
B
5 48 42 61
in motion
and the static friction at B is
thus the system is
in impending motion in intermediate motion

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