A boy is carrying a school bag of 3 Kg mass on his back and moves 200 m on a levelled road. The work done against the gravitational force will be (take g= 10 m/s2)
A.
6000 J
B.
6 J
C.
Zero
D.
0.6 J
Answers
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1
Answer:
6000J
Explanation:
Mass = 3kg
Distance = 200m
Acceleration due to gravity = 10m/s²
Force = Mass × acceleration
= 3 × - 10
= -30m/s² (Moving upwards results in negative acceleration)
Work done = Force × Displacement
= -30 × 200
= -6000 J (or) 6000J as it is mentioned in the question that calculate the Work done against the Gravitational force.
Hopefully
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