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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Question
Expert Solution
Step 1
The free body diagram can be drawn as follows:
(weight is acting downwards and normal reaction is acting in upward direction)
Step 2
Given quantities:
Mass of the block (m) = 4 kg
acceleration of the elevator (a) = 9 m/s2 ( direction is along positive y-axis)
So, the magnitude of net force on block 1 will be:
= m.a = (4).(9)
= 36 Newton
and the direction is same as that of the acceleration , that is positive y -axis
So, Fnet1 = 0 i + 36 j N
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