Alexlara1008 Alexlara1008

21-04-2022
Mathematics

contestada

Find the amount of work W done by a force F = 115i +350j
in moving an object in a straight line given by the displacement vector D = -13i+15j.

Respuesta :

LammettHash LammettHash

21-04-2022

The work is equal to the dot product of the force and displacement vectors:
W = (115 i + 350 j) • (-13 i + 15 j)

W = 115 × (-13) + 350 × 15

W = 3755

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