A 20.0-kg horizontal plank 4.00 m long rests on two
Chapter 12, Problem 6(choose chapter or problem)
A 20.0-kg horizontal plank 4.00 m long rests on two supports, one at the left end and a second 1.00 m from the right end. What is the magnitude of the force exerted on the plank by the support near the right end? (a) 32.0 N (b) 45.2 N (c) 112 N (d) 131 N (e) 98.2 N
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