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Use the Figure to Answer the Question

Question 41

Multiple Choice

Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -What is the force needed to move the mass at a constant speed? A) 0 B) mg C) mg D) 2mg E) 4mg
-What is the force needed to move the mass at a constant speed?


A) 0
B) Use the figure to answer the question. A light rope runs through two frictionless pulleys of negligible mass.A mass,m,is hung from one of the pulleys and a force,F is applied to one end of the rope so that the mass moves at a constant speed. -What is the force needed to move the mass at a constant speed? A) 0 B) mg C) mg D) 2mg E) 4mg mg
C) mg
D) 2mg
E) 4mg

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