A One Ounce Ping-Pong Ball Is Pushed Upwards by a Fan

question 44

Multiple Choice

A one ounce Ping-Pong ball is pushed upwards by a fan so that the Ping-Pong ball hovers neither rising nor falling. What is the force of the wind on the Ping-Pong ball in units of ounces?

• A)1 ounce in an upward direction.
• B)2 ounces in an upward direction.
• C)1 ounce in an downward direction.
• D)2 ounces in an downward direction.

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