Two Blocks of Masses 20 Kg and 8

question 38

Multiple Choice

Two blocks of masses 20 kg and 8.0 kg are connected together by a light string and rest on a frictionless,level surface.Attached to the 20-kg mass is another light string,which a person uses to pull both blocks horizontally.If the two-block system accelerates at 0.50 m/s² what is the tension in the connecting string between the blocks?

• A) 14 N
• B) 6.0 N
• C) 10 N
• D) 4.0 N

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