1. I weigh 700 N and I am in a spaceship that is pushing up on me with a force of 1100 N. A. What is my mass? B. What is the net force acting on me? C. What is my acceleration?

2. The force of attraction between me and my coffee cup is 8.5 x 10 -9 N when we are 0.75 m apart. What does my coffee cup weigh?

3. What is the force of attraction between the earth and moon? M E = 5.974 x 10 24 kg M m = 7.35 x 10 22 kg R E = 6.378 x 10 6 m R m = 1.738 x 10 6 m Earth  moon distance = 3.844 x 10 8 m

4. A sign is hanging like the picture. If the tension on the chain is 300 N, what is the force pushing the sign to the right?

5. What to have on your card  Forces equations (2 nd law and Universal Gravitation)  Constants (g and G)  Trig functions  Velocity and acceleration equations for extra credit problem