the diagram, block A has a mass of 1.0 kg; block B’s mass is 4.0 kg. They are pushed with a force of magnitude 40 N. The coefficient of kinetic friction between both blocks and the surface is 0.30. Make complete FBDs for each block, as well as for the system as a whole. Please take the time to include all subscripts: remember, nAB means “normal force of A on B”. What is the acceleration of the blocks? With what force does A push on B? B push on A?

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter15: Place And Time
Section15.3: Time
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In the diagram, block A has a mass of 1.0 kg; block B’s mass is 4.0 kg. They are pushed with a force of magnitude 40 N. The coefficient of kinetic friction between both blocks and the surface is 0.30.

  1. Make complete FBDs for each block, as well as for the system as a whole. Please take the time to include all subscripts: remember, nAB means “normal force of A on B”.
  2. What is the acceleration of the blocks?
  3. With what force does A push on B? B push on A?
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