A Mass 2m Is Attached by a String to Another

question 29

Multiple Choice

A mass 2m is attached by a string to another mass m as illustrated. A force of newtons acts on mass m to accelerate the system. The force in the string, which acts on mass 2m, is

• A) 2/3)N.
• B) N.
• C) 2N.
• D) 3N.
• E) 3/2)N.

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