1. Motor M begins to rotate at an angular rate of w=4 (1-et) rad/s where t is in seconds. If the pulleys and fan have the radii shown, determine the magnitudes of the velocity and acceleration of point P on the fan blade when t = 0.8 s. What is the maximum speed of this point? M 16 in. 4 in. =1 inch

1. Motor M begins to rotate at an angular rate of w=4 (1-et) rad/s where t is in seconds. If the pulleys and fan have the radii shown, determine the magnitudes of the velocity and acceleration of point P on the fan blade when t = 0.8 s. What is the maximum speed of this point? M 16 in. 4 in. =1 inch

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

1. Motor M begins to rotate at an angular rate of
w=4 (1-et) rad/s where t is in seconds. If the
pulleys and fan have the radii shown, determine the
magnitudes of the velocity and acceleration of point P on
the fan blade when t = 0.8 s. What is the maximum speed of
this point?
16 in.
4 in.
=1 inch

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Step 1: Angular velocity of motor

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Step 2: Angular velocity of fan

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Step 3: The speed of the point at P

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Step 4: Magnitude of acceleration of point at p

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