Question
Asked Oct 25, 2019
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Conceptual friction question pt:a &b

The top block is accelerated across a frictionless table by the
falling mass m. The string is massless, and the pulley is both
massless and frictionless. The tension in the string is
A.T<mg
В. Т %3D тд.
С. Т> тg.
т
22
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The top block is accelerated across a frictionless table by the falling mass m. The string is massless, and the pulley is both massless and frictionless. The tension in the string is A.T<mg В. Т %3D тд. С. Т> тg. т 22

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The top block is accelerated across a frictionless table by the
falling mass m. The string is massless, and the pulley is both
massless and frictionless. The tension in the string is
A.T<mg
В. Т %3D mg.
С. Т> тg.
т
Weight mg
help_outline

Image Transcriptionclose

The top block is accelerated across a frictionless table by the falling mass m. The string is massless, and the pulley is both massless and frictionless. The tension in the string is A.T<mg В. Т %3D mg. С. Т> тg. т Weight mg

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Expert Answer

Step 1

Consider the acceleration of the block and mass be a, and the tension in the string be T.

 

The free body diagram of the falling mass is,

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a w=mg

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Step 2

Apply Newton’s second law of motion along the vertical direction...

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Σ : F =ma w-T%3D та mg -T %3D та Т-т(g-а)

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Kinematics

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