A tow truck drags a stalled car along a road.

Reginald Metcalf

Reginald Metcalf

Answered question

2022-01-02

A tow truck drags a stalled car along a road. The chain makes an angle of 30° with the road and the tension in the chain is 1500 N. How much work is done by the truck in pulling the car 1 km?

Answer & Explanation

Cassandra Ramirez

Cassandra Ramirez

Beginner2022-01-03Added 30 answers

The horizontal component of the force is
F=1500cos30=150032=7503
"Joules" are "Newton-meters", so convert the distance to meters,
d=1 km=1000 m
Plug into the work formula
W=Fd=75031000=75000031299038 Joules
Result:
1299038 J

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