A Uniform Plank Is 6

question 18

Multiple Choice

A uniform plank is 6.0 m long and weighs 80 N.It is balanced on a sawhorse at its center.An additional 160 N weight is now placed on the left end of the plank.To keep the plank balanced, it must be moved what distance to the right?

• A)6.0 m
• B)2.0 m
• C)1.5 m
• D)1.0 m
• E)0.50 m

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