Question

A cart of mass m1=4.6kg rolls along a horizontal ramp. The cart is connected, by a...

A cart of mass m1=4.6kg rolls along a horizontal ramp. The cart is connected, by a rope drawn through a pulley, to a box m2=2.10kg that is hanging off the side of the table. (Note that box m2 does not touch the table in any way).
A. ignoring friction, what is the net force on the system?
B. what is the acceleration of the system?

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Answer #1

m 4.6 kg m2-2.10 kg From the above diagram it is clear that, For mass m T-mia For mass m, 2.10x9.8-T 2.10a 20.58-T-2.10a (2) Part B Solving equation (1) and (2) we get the acceleration of the system as,

a-3.07 m/ Part A Using the value of a T-4.6a 3.07 m in equation (1) we get the net force of the system as, 4.6x3.07 T 14.12 N

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