# physics - k*m 1 g For block 2 m 2 a = m 2 g T We can add...

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where F k is the frictional force, mg is the weight of the block, T is tension and F n is the normal force acting on the block where m 2 g is the weight of block 2 and T is the tension in the string B) We can use newton's second law, F=ma, to write equations for each block. We know the normal force is equal to: F n = m 1 g We also know the frictional force: F k = μ k F n For block 1: m 1 a = T - F k m 1 a = T - μ

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Unformatted text preview: k *m 1 g For block 2: m 2 a = m 2 g - T We can add the equations together to determine the acceleration: (m 1 +m 2 )a = m 2 g - μ k *m 1 g a = [m 2 g - μ k *m 1 g] / (m 1 +m 2 ) We can then substitute our value for a into either the equation for block 1 or 2 to get the tension: T = m 2 g - m 2 a = m 2 g - m 2 *[m 2 g - μ k *m 1 g] / (m 1 +m 2 )...
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