A Small Boy Places a Rock Under the Middle of a of a Long

question 52

Multiple Choice

A small boy places a rock under the middle of a of a long wood plank,sits near one end and his mother sits near the opposite end.To balance each other

• A)the mother should move further away from the boy.
• B)the boy should move closer to his mother.
• C)both should move closer to the ends of the plank.
• D)both should move closer to the middle of the plank.
• E)None of the above choices would work.