A mass m1 = 4.7 kg rests on a frictionless table and connected by a massless...

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Physics

A mass m₁ = 4.7 kg rests on a frictionless table andconnected by a massless string over a massless pulley to anothermass m₂ = 4.3 kg which hangs freely from the string.When released, the hanging mass falls a distance d = 0.76 m.
1. How much work is done by gravity on the two block system?
2. How much work is done by the normal force on m1?
3. What is the final speed of the two blocks?
4. How much work is done by tension on m1?
5. What is the tension on the string as the block falls?
6. What is the NET work done on m2?

Answer & Explanation Solved by verified expert

3.7 Ratings (680 Votes)

1 The only mass the gravity do work is m2over m1 is allways on the table then thework done by gravity is 1positive because the mass falls2 The normal force is by definition allways perpendicular tothe See Answer

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