A 1.3 kg box of frozen chocolate chip waffles is pulled across a table by a rope at t1 = 0s. The rope is at an angle θ = 60º and under a tension of 4 N. Suppose there is no friction between the box and table.   At t2 = 1.5s, you started to pull back the box with a constant force F so the box stopped moving at t3 = 2s. What is the magnitude of the force F you applied? (

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A:

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Q: What is the tension (in N) in the rope?

A: The tension in the rope is 7.84 N.

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Q: А 3.5kg B 2.75kg

A:

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Q: A 1.3 kg box of frozen chocolate chip waffles is pulled across a table by a rope at t1 = 0s. The…

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Q: The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on…

A: Here we have to use Newton's law.

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: