Finding the acceleration of a block

  • Thread starter goomstooms
  • Start date
  • #1

Homework Statement


The lower block is pulled on a rope with a tension force of 20N. The coefficient of kinetic friction between the lower block and the surface is 0.30. The coefficient of kinetic friction between the lower block and the upper block is also 0.30. What is the acceleration of the 2.0 kg block?

Homework Equations


Kinematic equations


The Attempt at a Solution


I started to use a kinematic equation but I'm not sure what the next step is.
 

Answers and Replies

  • #2
hage567
Homework Helper
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Did you draw a free-body diagram?
 

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