How much work is done when a 4.0-newton box is carried horizontally a distance of 2.0 meters at a constant velocity?
2 answers:
Answer: Work done by the box will be 8 Joules.
Explanation:
Work done by a substance is the product of the force applied on it and the displacement of a substance.
Mathematically,
Where,
W = work done = ? J
F = Force applied = 4 N
s = displacement = 2 m
Putting values in above equation, we get:
Hence, work done by the box will be 8 Joules.
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Answer:
Option D
MA=5
Explanation:
Mechanical advantage is the the ratio of the output force to the input force hence
Substituting 15 inches for the effort arm length and 3 inches for the load arm length then we obtain the mechanical advantage as