As the end Q of the plank is raised, the component of W, normal to…

As the end Q of the plank is raised, the component of W, normal to plank, will
  • A.
    increase
  • B.
    decrease
  • C.
    remain the same
  • D.
    be slightly greater than W
  • E.
    be independent of w
Correct Answer: Option B
Explanation
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