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When a Heavy Metal Block Is Supported by a Cylindrical 2\sqrt { 2 }

Question 55

Multiple Choice

When a heavy metal block is supported by a cylindrical vertical post of radius R,it exerts a force F on the post.If the diameter of the post is increased to 2R,what force does the block now exert on the post?


A) F/4
B) F/2
C) F/ 2\sqrt { 2 }
D) F
E) 2F

Correct Answer:

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