A force of $50$ N moves a crate $4$ m in the direction of the force. Calculate the work done.
A$200$ JCORRECT
B$12.5$ J
C$54$ J
D$400$ J
JUPEBPhysicsWork, Energy and Power
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Why the answer is A, and why the others tempt you.
Work $= F \times d = 50 \times 4 = 200$ J. Adding the two quantities or dividing them does not give work.
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