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PhysicsNLMFrictionMedium2 minQB

PhysicsMediumsingle choice

Neglecting friction and mass of pulley, what is the acceleration of mass B (masses $A = 7$ kg and $B = 3$ kg hanging on the two sides of the pulley)?

Answer:

Solution:

Atwood machine
$a = \frac{7 - 3}{7 + 3} g = \frac{4}{10} g = \frac{2 g}{5}$
with the heavier mass A going down and B going up.
Option D.

Subject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: QB

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