N7_presentation

# N7_presentation - Blocks A and B are held in the palm of...

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hand A B Blocks A and B are held in the palm of your outstretched hand and your hand is lifting the blocks at constant speed. Assume that m B > m A . ) ( E B g F ) ( A B N F ) ( E A g F ) ( H A N F ) ( B A N F ) ( A H N F TLP TLP ) ( A B N F ) ( E B g F = ) ( B A N F = ) ( H A N F ) ( A H N F = > > ) ( E A g F

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(N7T.4) A child C pulls on a wagon W using a string S; the wagon moves forward at a constant speed as a result. The third-law partner to the forward force exerted on the wagon is which of the following forces? (A) (B) (C) (D) (E) (F) Other: Specify: ________ ) ( W S T F ) ( S W T F ) ( C W T F ) ( W C T F ) ( R W KF F
(N7T.8) Two people are attempting to break a rope, which will break if the tension in the rope exceeds 360 N. If each person can exert a pull of 200 N, (A) they can break the rope if they each take an end and pull. (B) they can break the rope if they tie one end to a wall and both pull on the other end. (C) they can break the rope if they use either of the strategies above.

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## This note was uploaded on 04/17/2008 for the course PHYS 120 taught by Professor Decarlo during the Spring '08 term at DePauw.

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N7_presentation - Blocks A and B are held in the palm of...

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