You Know That You Can Safely Stand on the Overhanging

question 53

Multiple Choice

You know that you can safely stand on the overhanging end of a heavy plank that rests on a table.How far out depends on your mass and the mass of the plank.Suppose you can stand on the end of a plank that overhangs the edge of the supporting table 1/4 its total length.Then how massive is the plank compared to your mass?

• A)1/2 your mass
• B)the same as your mass
• C)1 1/2 times your mass
• D)twice your mass
• E)4 times your mass