a locomotive exerts a force of 7500N and pulls a train through 1.5km. How much work is done by locomotive ?
Answers
Answered by
26
Force = 7500N
Displacement = 1.5 km
= 1.5 × 1000 m
Work done = force × displacement
= 7500 × 1.5 × 1000 joule
= 7500 × 1500 joule
= 11250000 joule
= 11.25 Mega joule
----- (as 1 Mega joule = 10^6 joule)
Displacement = 1.5 km
= 1.5 × 1000 m
Work done = force × displacement
= 7500 × 1.5 × 1000 joule
= 7500 × 1500 joule
= 11250000 joule
= 11.25 Mega joule
----- (as 1 Mega joule = 10^6 joule)
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Answered by
12
Work = Force * Displacement
7500 N * 1.5 km
7500 N * 1500 m
= 11250000 N / m2
11250000 J
= 11250 KJ
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