IAThe bar is now placed on a horizontal, frictionless surface. A constant force of magnitude Fis exerted on thefar-right end of the bar, perpendicular to the bar and remains perpendicular, even as the bar rotates. The barof mass M and length L rotates from position A to position B in a time interval of t.The same constant force of magnitude Fis also exerted on a second bar of mass M/2 and length L/2.3) Determine how much time, in terms of t, it takes the second smaller bar to rotate from A to B. Clearly showyour work or justify your answer. A solid metal rod of mass M and length L is fixed at its left end and allowed to rotate. When released from rest,the bar swings through position B. The moment of inertia of a rod rotating about one end is I =ml? where Lis the length of the bar.1) Derive an expression for the angular acceleration of the bar the instant the bar is released. Express youranswer in terms of M, L and other physical constants.2) The rod is released and swings from position A through position B. As the rod swings from position A toposition B, its angular acceleration, a, .increasesdecreasesremains the sameJustify your answer.

Write the given value using suitable variables. Here M1 signifies 1st-rod mass, L1 signifies…

The bar is now placed on a horizontal, frictionless surface. A constant force of magnitude Fis exerted on the far-right end of the bar, perpendicular to the bar and remains perpendicular, even as the bar rotates. The bar of mass M and length L rotates from position A to position B in a time interval of t. The same constant force of magnitude Fis also exerted on a second bar of mass M/2 and length L/2. 3) Determine how much time, in terms of t, it takes the second smaller bar to rotate from A to B. Clearly show your work or justify your answer.

The bar is now placed on a horizontal, frictionless surface. A constant force of magnitude Fis exerted on the far-right end of the bar, perpendicular to the bar and remains perpendicular, even as the bar rotates. The bar of mass M and length L rotates from position A to position B in a time interval of t. The same constant force of magnitude Fis also exerted on a second bar of mass M/2 and length L/2. 3) Determine how much time, in terms of t, it takes the second smaller bar to rotate from A to B. Clearly show your work or justify your answer.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,

Question

IA
The bar is now placed on a horizontal, frictionless surface. A constant force of magnitude Fis exerted on the
far-right end of the bar, perpendicular to the bar and remains perpendicular, even as the bar rotates. The bar
of mass M and length L rotates from position A to position B in a time interval of t.
The same constant force of magnitude Fis also exerted on a second bar of mass M/2 and length L/2.
3) Determine how much time, in terms of t, it takes the second smaller bar to rotate from A to B. Clearly show
your work or justify your answer.

A solid metal rod of mass M and length L is fixed at its left end and allowed to rotate. When released from rest,
the bar swings through position B. The moment of inertia of a rod rotating about one end is I =ml? where L
is the length of the bar.
1) Derive an expression for the angular acceleration of the bar the instant the bar is released. Express your
answer in terms of M, L and other physical constants.
2) The rod is released and swings from position A through position B. As the rod swings from position A to
position B, its angular acceleration, a, .
increases
decreases
remains the same
Justify your answer.

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