A block of mass m 1 is attached to a block of mass m 2 by a massless rope (see d

Question

A block of mass m1 is attached to a block of mass m2 by a massless rope (see diagram); the pulleys and surfaces are frictionless. When the blocks are let go, they move. Answer the following three questions using the choices given below. E.g., if the answer to the first question is A, to the second, C, and to the third, D, enter ACD.

If m1 = 1.20 kg and m2 = 1.80 kg, find the tension T in the rope once the blocks are released.

A block of mass m1 is attached to a block of mass m2 by a massless rope (see diagram); the pulleys and surfaces are frictionless. When the blocks are let go, they move. Answer the following three questions using the choices given below. E.g., if the answer to the first question is A, to the second, C, and to the third, D, enter ACD. Note that in these expressions, g is the magnitude of the acceleration due to gravity. i) Select the correct expression for the relationship between the accelerations of blocks 1 and 2. ii) Select the correct expression that describes how the magnitude of the acceleration of block 1, a1, depends on the tension in the rope, T. iii) Select the correct expression that describes how the magnitude of the acceleration of block 2, a2, depends on the tension in the rope, T. If m1 = 1.20 kg and m2 = 1.80 kg, find the tension T in the rope once the blocks are released.

Explanation / Answer

Ans: H,I,J

T= m1.a1 = 6.42 N

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