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Isabella drives a 2 4 3 0 - kg tractor that pulls a 6 9 0 - kg log along the ground for 7 1

Isabella drives a

2430 -

kg tractor that pulls a

690 -

kg log along the ground for

71

.

The rope connecting the tractor to

the log makes an angle of

72

with the ground and is acted on by a tensile force of

5200

.

How much work does

Isabella

s tractor perform during this motion?

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