The work done is 300 ft-lbs, the correct option is D.
What is the work done?
The multiplication of the magnitude of displacement d and the component of the force that is in the direction of displacement is called work done.
Work done is positive when the energy leaves the system. Here, the system is making an effort on the surroundings.
A tractor pulls a heavy log with a force of 100 pounds.
The log moves 3 feet.
The work done is given by;
[tex]\rm Work \ done=Force \times Displacement\\\\Work \ done= 100 \times 3 \\\\Work \ done=300\ ft-lbs[/tex]
Hence, the work done is 300 ft-lbs, the correct option is D.
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