f= 2x²+3 body displaced fromx=2 to 3 find tha W?
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Explanation:
Given,
F=(3x
2
+2x−7)N
m=2kg
From x=0 to x=5m
The work done by the force will be,
dW=F.dx
W=∫
0
5
(3x
2
+2x−7).dx
W=∣3
3
x
3
+2
2
x
2
−7x∣
0
5
W=∣x
3
+x
2
−7x∣
0
5
W=(5)
3
+(5)
2
−7(5)
W=150−35
W=115J
HOPE IT HELPS YOU
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