Draw a free body diagram (fbd) for m1 for the case where it is released from rest. Use the notation shown in class, F 2on 1. Draw your force vectors to scale so you can tell the direction of m1’s acceleration is to the right. Clearly indicate which direction you are choosing as positive for the horizontal and vertical directions. Write out the two equations from Newton’s Second Law (F = ma), one for each direction. Denote your x-equation as equation (1) and your y-equation as equation (2). No need to solve for anything just yet. Use your fbd diagram of m1 to determine which force and which object is trying to horizontally accelerate m1. Which force and which object is trying to prevent this acceleration? Which of these two forces is larger? Draw a fbd for m2. Clearly indicate which direction you are choosing as positive for the vertical direction. Also be sure that the force vector arrows are drawn to scale so that you can tell that m2 is accelerating down. Use Newton’s Second Law to write an equation for m2’s motion. Denote this as equation (3). No need to solve for anything just yet. Use your fbd diagram of m2 to determine which force and which object is trying to vertically accelerate m2. Which force and which object is trying to prevent this acceleration? Which of these two forces is larger?
Draw a free body diagram (fbd) for m1 for the case where it is released from rest. Use the notation
shown in class, F 2on 1. Draw your force vectors to scale so you can tell the direction of m1’s
acceleration is to the right. Clearly indicate which direction you are choosing as positive for the
horizontal and vertical directions. Write out the two equations from Newton’s Second Law (F = ma),
one for each direction. Denote your x-equation as equation (1) and your y-equation as equation (2). No
need to solve for anything just yet.
Use your fbd diagram of m1 to determine which force and which object is trying to horizontally
accelerate m1. Which force and which object is trying to prevent this acceleration? Which of these two
forces is larger?
Draw a fbd for m2. Clearly indicate which direction you are choosing as positive for the vertical
direction. Also be sure that the force vector arrows are drawn to scale so that you can tell that m2 is
accelerating down. Use Newton’s Second Law to write an equation for m2’s motion. Denote this as
equation (3). No need to solve for anything just yet.
Use your fbd diagram of m2 to determine which force and which object is trying to vertically accelerate
m2. Which force and which object is trying to prevent this acceleration? Which of these two forces is
larger?
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