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JazzyCaz
 4 years ago
3. A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your work.
JazzyCaz
 4 years ago
3. A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your work.

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amandachen.92
 4 years ago
Best ResponseYou've already chosen the best response.1there is only y direction movement yes? so let's ignore sum F forces in the x direction = 0 since that's a given sum F forces in the y direction: What are the forces acting on the barrel? the rope (T) and the weight (mg) of the barrel. sum forces in the y > T mg = ma we want rope force: T = ma + mg plug chug! T = m(ag) = 12(1.2+9.8) I do not have a calculation on me but the units of the number is in Newtons(N)

amandachen.92
 4 years ago
Best ResponseYou've already chosen the best response.1dw:1321481040000:dw
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