Q3 The external net force component along the displacement of 25kg box varies with the magnitude of the displacement is represented in the graph shown in Figure Q3 be. Find: (а) the work done on the box by the net force. (b) the speed of the box at the following position, given that the box initially at rest. (i) 6 meters (ii) 11 meters (c) the coefficient of kinetic friction between the box and the floor when it is between 4 to 5 meter displacement.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q3
The external net force component along the displacement of 25kg box varies with the
magnitude of the displacement is represented in the graph shown in Figure Q3 be. Find:
(a)
the work done on the box by the net force.
(b)
the speed of the box at the following position, given that the box initially at rest.
(i)
6 meters
(ii)
11 meters
(c)
the coefficient of kinetic friction between the box and the floor when it is
between 4 to 5 meter displacement.
Applied Force Vs. Displacement
10
8
2
1
2
3
4
5 6 7
8
10
11
Displacement (m)
Figure Q3
Applied Force (N)
Transcribed Image Text:Q3 The external net force component along the displacement of 25kg box varies with the magnitude of the displacement is represented in the graph shown in Figure Q3 be. Find: (a) the work done on the box by the net force. (b) the speed of the box at the following position, given that the box initially at rest. (i) 6 meters (ii) 11 meters (c) the coefficient of kinetic friction between the box and the floor when it is between 4 to 5 meter displacement. Applied Force Vs. Displacement 10 8 2 1 2 3 4 5 6 7 8 10 11 Displacement (m) Figure Q3 Applied Force (N)
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