A car is slowing down in a straight road.What direction does its angular velocity point? And what direction does its angular acceleration point?Explanation.
A car is slowing down in a straight road.What direction does its angular velocity point? And what direction does its angular acceleration point?Explanation.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter6: Uniform Circular Motion And Gravitation
Section: Chapter Questions
Problem 16PE: Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians...
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Concept explainers
Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
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- A car is slowing down in a straight road.What direction does its
angular velocity point? And what direction does itsangular acceleration point?Explanation. - A plumb bob is generally to hang vertically downwards – ie, towards the center of the Earth.(it maybe not always true) By drawing a free-body diagram and considering the centripetal acceleration of a plumb-bob (at 45o N latitude), explain why. indicate the direction (north, south, east, or west) that the plumb bob will hang.
- Two particles execute
simple harmonic motion with the same amplitude. One particle has twice the frequency of the other. Compare their maximum velocities and accelerations.
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