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)...
Related questions
Question
A wheel spins clockwise and is speeding up. What direction must the torque be in?
Group of answer choices
-positive ("out of the board")
-negative ("into the board")
Expert Solution
Step 1
We are given a wheel. It is speeding up by rotating clockwise. We have to find in what direction must the torque be in.
Torque is a measure of twisting action which is caused by a force when object is rotating about a particular axis. Its unit is Nm.
Torque can be written as
To produce torque somewhere, Force must me applied at a distance r from a fixed point or sometimes we say pivot point.
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