ATWOOD MACHINE PRELAB 1.) Explain how Fnet I is varied while keeping the mass of

Question

ATWOOD MACHINE PRELAB

1.) Explain how Fnet I is varied while keeping the mass of the system constant.

2.) Explain how Fnet I is kept constant while the mass of the system is varied.

3.) What physical quantity of the system is represented by the slope of the force vs. acceleration graph?

4.) Do you expect the values for acceleration calculated from Newton's Second Law will be the same same as, less than, or greater than the accelerations measured in this experiment. Explain your answer.

5.) Complete the following sentences..
(a). When the unbalanced force increases (total mass remaining constant), the accleration of the system __________________.

(b). When the total mass that is accelerating increases (the unbalanced force remaining constant), the acceleration of the system ____________________.

Explanation / Answer

questions one and two seem to be missing information needed from the lab. I'll assume a rolling cart carrying weight pulled by a cable on the end of the table with a suspended weight being accelerated by gravity to provide force. typically a pulley at end of table is used to reduce friction. Low friction varients often use air pressure to float the "cart" above v track or air hockey table like surface.

1, increasing amount of wight on the cable drop, while keeping weight on cart constant.

2 adding more weight on a rolling cart while keeping the weight on cable being accelerated by gravity would show effect of increasing mass under constant f/net

3    F=ma m = F/a

4    calculated acceleration should be more, actual accelerations are diminished by friction forces, and/or inertial moments

55.) Complete the following sentences..
(a). When the unbalanced force increases (total mass remaining constant), the accleration of the system ______increase____________.

(b). When the total mass that is accelerating increases (the unbalanced force remaining constant), the acceleration of the system ______decreases______________.

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