Two Blocks Are Connected by a Massless String That Passes

question 70

Multiple Choice

Two blocks are connected by a massless string that passes over a massless pulley, as shown. In the absence of friction, how does the tension force exerted by the string on the 250 N block compare with the tension force exerted by the string on the 350 N block?

• A) The force on the 250 N block is smaller by a factor of 0.71.
• B) The force on the 250 N block is larger by a factor of 1.4.
• C) The force on the 250 N block is always equal to its weight.
• D) The force on the 250 N block is equal to the weight of the 350 N block.
• E) The two forces are equal.

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