A Particle Moves a Distance Of $190 \mathrm { ft }$

question 41

Multiple Choice

A particle moves a distance of $190 \mathrm { ft }$ along a straight line. As it moves, it is acted upon by a constant force of magnitude $15 \mathrm { lb }$ in a direction opposite to that of the motion. What is the work done by the force?

• A) \(- \frac { 3 } { 38 } \mathrm { ft } - \mathrm { lb }\)
• B) \(- 2,850 \mathrm { ft } - \mathrm { lb }\)
• C) \(- \frac { 1 } { 2850 } \mathrm { ft } - \mathrm { lb }\)
• D) \(- \frac { 38 } { 3 } \mathrm { ft } - \mathrm { lb }\)

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