Asked by Meagan
Two industrial spies slide a floor safe 8.5m along a straight horizontal line toward their truck. The push (F1) of the Spy 001 is 320 N, directed at an angle of 30 degrees downward from the horizontal; the pull (F2) of Spy 002 is 250 N, directed at 40 degrees above the horizontal.
a) What is the total work done on the safe by the spies?
b) What is the work done on the safe by its weight and the normal force?
a) What is the total work done on the safe by the spies?
b) What is the work done on the safe by its weight and the normal force?
Answers
Answered by
bobpursley
work=net force*distance
= (320cos30+250cos40)*8.5
work is only done in the horizontal.
weight, normal force? it did not move in the vertical, no work.
= (320cos30+250cos40)*8.5
work is only done in the horizontal.
weight, normal force? it did not move in the vertical, no work.
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