Two Blocks of Masses 20 Kg and 8

question 11

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 8.0-kg mass is a second light string,which a person uses to pull both blocks horizontally.If the two-block system accelerates at 1.0 m/s²,what is the tension in the second string attached to the 8.0-kg mass?

• A) 14 N
• B) 6.0 N
• C) 28 N
• D) 4.0 N

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