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Wrap up question 1: A box slides down a ramp at constant speed. Does the box...

Wrap up question 1: A box slides down a ramp at constant speed. Does the box experience friction? Explain using the ideas of balanced vs unbalanced forces.

Wrap up question 2: Two carts are connected with a string. If you pull on the left cart to the left with a large force and your friend pulls on the right cart to the right with a small force, how will the force of the left cart pulling on the right cart compare to the force of the right cart pulling on the left cart? Explain.

Wrap up question 3: Imagine holding the force platform with a book on top of it. Describe how you could move the platform so that the reading of the force sensor was less than the weight of the book, but not zero.
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