Find the Work Done by a Force $\mathbf { F } = \mathbf { i } + 5 \mathbf { j } + 7 \mathbf { k }$

question 69

Multiple Choice

Find the work done by a force $\mathbf { F } = \mathbf { i } + 5 \mathbf { j } + 7 \mathbf { k }$ that moves an object from the point $( 3,0,5 )$ to the point $( 7,5,10 )$ along a straight line. The distance is measured in meters and the force in newtons.

• A) \(64 \mathrm {~J}\)
• B) \(74 \mathrm {~J}\)
• C) \(84 \mathrm {~J}\)
• D) \(94 \mathrm {~J}\)
• E) \(104 \mathrm {~J}\)

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