A Heavy Steel Ball B Is Suspended by a Cord

question 42

Multiple Choice

A heavy steel ball B is suspended by a cord from a block of wood W.The entire system is dropped through the air.Neglecting air resistance, the tension in the cord is:

• A)zero
• B)the difference in the masses of B and W
• C)the difference in the weights of B and W
• D)the weight of B
• E)none of these

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