1. Motion on a plane with some friction.
Up Down Acceleration
Motion on a plane with some friction.

2. A box is sliding up an inclined rough plane (some friction acts)
A box is sliding up an inclined rough plane (some friction acts). Draw a force diagram for the box while sliding upwards (after a brief push).
velocity

3. A box is sliding up an inclined rough plane (some friction acts)
A box is sliding up an inclined rough plane (some friction acts). Draw a force diagram for the box while sliding upwards (after a brief push).
velocity
Normal Force f mg

4. A box is sliding up (after a brief push) an inclined rough plane (incline angle 25 degrees). The box has mass M = 10kg. Friction f = 30N. Calculate the magnitude and direction of the acceleration of the box. x y
velocity
Normal Force wx f wy q

5. Moving Up Rough Incline

6. A box sliding down an inclined rough plane (incline angle 25 degrees)
A box sliding down an inclined rough plane (incline angle 25 degrees). The box has mass M = 10kg. Friction f = 30N. Calculate the magnitude and direction of the acceleration of the box. x y
velocity
Normal Force f wx wy q

7. Moving Down Rough Incline

8. Difference in Accelerations

9. Real Data: Cypress 9/7/10 Track angle: 5 degrees
Representative data: a(up) = m/s/s
a(down) = m/s/s
Average difference in acceleration: m/s/s