A fprce F acts on an object undergoing a displacement s, theforce being oriented

Question

A fprce F acts on an object undergoing a displacement s, theforce being oriented at an angle q with respect to tehdisplacement. Which one of the following correctly describes ALL ofthe circumsatnces under which the work done by the force iszero? A- The force is zero, or the displacement is zero. B- The displacement is zero, or the angle is 90degrees. C- The force is zero, or the displacement is zero, or theangle is 90 degrees. D- The force is zero, or the angle is 90 degress. E- The force is zero, or the displacement is zero, or theangle is 1890 degrees. A fprce F acts on an object undergoing a displacement s, theforce being oriented at an angle q with respect to tehdisplacement. Which one of the following correctly describes ALL ofthe circumsatnces under which the work done by the force iszero? A- The force is zero, or the displacement is zero. B- The displacement is zero, or the angle is 90degrees. C- The force is zero, or the displacement is zero, or theangle is 90 degrees. D- The force is zero, or the angle is 90 degress. E- The force is zero, or the displacement is zero, or theangle is 1890 degrees.

Explanation / Answer

B) The displacement is zero, or the angle is90degrees

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