A Rock of Weight 17

question 64

Multiple Choice

A rock of weight 17.5 N, suspended from a spring scale, is immersed in a beaker of water. The scale reads 9.00 N. The weight of the beaker and water together (without the rock) is 23.5 N. What is the magnitude of the net force of the beaker on the table after the rock has been submerged?

• A) 17.5 N
• B) 23.5 N
• C) 32.0 N
• D) 41.0 N

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