a. Find the work done in moving a 5-lb textbook 4 feet up. In this setting, F = (0,5) andd = (0,4). : (3,0). Notice that the vertical component (- 1j) of the force had no effect on the work done since we b. Find the work done in moving a box 3 feet across a table using force F = (4,–1) and d = %3D only displaced the object in the horizontal direction. Find the work done in moving an object from position (0, 2) to position (5, 3) using force F = С. (3,3).
a. Find the work done in moving a 5-lb textbook 4 feet up. In this setting, F = (0,5) andd = (0,4). : (3,0). Notice that the vertical component (- 1j) of the force had no effect on the work done since we b. Find the work done in moving a box 3 feet across a table using force F = (4,–1) and d = %3D only displaced the object in the horizontal direction. Find the work done in moving an object from position (0, 2) to position (5, 3) using force F = С. (3,3).
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Transcribed Image Text:11. The work W done by a force F in moving an object along a displacement vector d is given by W = F · d.
a. Find the work done in moving a 5-lb textbook 4 feet up. In this setting, F = (0,5) and d = (0,4).
b. Find the work done in moving a box 3 feet across a table using force F = (4,–1) and d =
Notice that the vertical component (- 1j) of the force had no effect on the work done since we
%3D
%3D
only displaced the object in the horizontal direction.
Find the work done in moving an object from position (0, 2) to position (5, 3) using force F =
(3,3).
С.
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