Solve the Problem
-A Person Is Pulling a Freight Cart $20 ^ { \circ }$

question 180

Multiple Choice

Solve the problem
-A person is pulling a freight cart with a force of 57 pounds. How much work is done in moving the cart 70 feet if the cart's handle makes an angle of $20 ^ { \circ }$ with the ground?

• A) \(3749.4 \mathrm { ft } - \mathrm { lb }\)
• B) \(1364.7 \mathrm { ft } - \mathrm { lb }\)
• C) \(136.5 \mathrm { ft } - \mathrm { lb }\)
• D) \(3854 \mathrm { ft } - \mathrm { lb }\)

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Definitions:

Flammable Compounds

Substances that can ignite easily and burn rapidly, typically releasing heat and light.

Smoke Explosion

A sudden and intense combustion of suspended particles in a confined area, resulting from a mixture of air and combustible materials.

Backdraft

A dangerous explosive phenomenon that can occur when a fire is starved of oxygen and then oxygen is suddenly reintroduced, often during firefighting efforts.

Water Content

The amount of water contained in a material, expressed as a weight percentage of the material.