Physics 161 Exam questions and answers Graded A+ latest update T/F: The work done by the normal force when sliding a book across a level table is zero? True T/F: The forces of friction and gravity are both conservative? False. While gravity is a con
Physics 161 Exam questions and answers Graded A+ latest update T/F: The work done by the normal force when sliding a book across a level table is zero? True T/F: The forces of friction and gravity are both conservative? False. While gravity is a conservative force (work done is path-independent), friction is a non-conservative force. T/F: To keep moving in a
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