1. Forces on m1 N T m1
m1g T m2
m2g
Forces on m2
What is the acceleration of the system?

2. Rough surface N T fk
m1g
What is the acceleration of the system? T
m2g

3. Mass 1
Mass 2 T T m2
m2g m1
m1g
What is the acceleration of the system?

4. y x q mg Frictionless incline N mg sin(q) mg cos(q) q
What is the acceleration of the system?

6. Frictionless
A block is released from rest
at the top of an incline.
Find the final speed and the
time to slide to the bottom. N d q mg
mg sinq
mg cosq q

7. y N fk q x q mg a mg sin(q) mg cos(q) Acceleration on a rough incline
What is the acceleration of the system?

8. With friction
f = mkN = mkmg cosq
A block is released from rest
at the top of an incline.
Find the final speed and the
time to side to the bottom. N f d q mg
mg sinq
mg cosq q

9. m1 T T m2
m2g sin(q2)
m1g sin(q1)
m2g
m1g q1 q2
What is the acceleration of the system?