3. Two blocks of masses m = 3 kg and m = 4 kg are placed on a frictionless horizontal surface and joined by a robe of negligible mass. A constant horizontal force F = 20 Nis applied to me as shown in figure. What are the magnitude of the acceleration of the system, the tension in the robe and the normal forces acting on m and m? T F

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Chapter5: Newton's Law Of Motion
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3. Two blocks of masses m = 3 kg and m = 4 kg are placed on a frictionless horizontal surface and
joined by a robe of negligible mass. A constant horizontal force F = 20 N is applied to me as shown in
figure. What are the magnitude of the acceleration of the system, the tension in the robe and the
normal forces acting on mi and me?
F
4
4. A 6 kg object placed on a frictionless, horizontal table is oconnected to a string that passes over a pulley
and then is fastened to a hanging 10 kg object, as shown in figure. Draw free-body diagrams of both
objects. Find the acceleration of the two objects, the tension in the string, and the normal reaction
force acting on me.
my
Transcribed Image Text:3. Two blocks of masses m = 3 kg and m = 4 kg are placed on a frictionless horizontal surface and joined by a robe of negligible mass. A constant horizontal force F = 20 N is applied to me as shown in figure. What are the magnitude of the acceleration of the system, the tension in the robe and the normal forces acting on mi and me? F 4 4. A 6 kg object placed on a frictionless, horizontal table is oconnected to a string that passes over a pulley and then is fastened to a hanging 10 kg object, as shown in figure. Draw free-body diagrams of both objects. Find the acceleration of the two objects, the tension in the string, and the normal reaction force acting on me. my
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