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April 24, 2014

Homework Help: physics

Posted by Anonymous on Friday, October 19, 2012 at 12:12am.

Three blocks are in contact with each other
on a frictionless horizontal surface. A 696 N
horizontal force is applied to the block with
mass of 4.7 kg as shown in the figure below.
The acceleration of gravity is 9.8 m/s
2
.
4.7 kg 5.5 kg 7.1 kg
F
a) What is the net force on the block with
mass 4.7 kg?
Answer in units of N

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