PHYSICS PROBLEM PLEASE HELP?

Posted on 2015-10-21 07:35:00 in Physics by SYMOND

A 5.00-kg box is on top of a 10.00-kg box, which is on a frictionless floor. There is friction between the two boxes. I pull on the lower box with a 50.0-N force in a direction 53° above horizontal.

(a) Draw a free-body diagram of each box. For each force, identify what kind of force it is (e.g. weight, normal, friction) and what exerts that force.
(b) Find the normal force that the floor exerts on the 10-kg box.
(c) The boxes do not slip against each other. Find their acceleration. (d) What is the direction of the frictional force on the upper (5-kg) box?

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