1. Newton’s laws Review

2. 1.Imagine a place in the cosmos far from all gravity and friction. Suppose an astronaut threw a pebble, describe the pebble’s motion in terms of speed and direction (velocity)? 2.A student kicks a soccer ball with a force of 15N. How much force did the soccer ball hit the student with? 3.Complete the following 3 rd law descriprtions. I push on earth, earth__________________________. Horse pulls cart, cart___________________________. Gust of wind pushes on window, window_____________________.

3. 4.If an astronaut with a mass of 65kg lands on Mars, what will her weight be? A= 3.7 m/s/s A R C D A RC D Dist. Velocity Time 5.Describe motion for each on the Distance/Time graph A. R. C. D. 6.Describe the motion for each on the Velocity/Time graph A. R. C. D.

4. 7.Which of the force pairs will move? A. B. C. D. 8.Tendency of an object to resist change to its motion? 9.Force in the opposite direction of motion of an object? 10.What is a push or pull 11.What is 1 kg m/s/s? 12.What is the unit used when F= ma 13.Which object has the most inertia? 100kg25kg

5. Pick one of Newton’s Laws to best describe the following situations 14. Shoulder hurts after shooting a gun? 15. Harder to move 6 cases of soda vs. 1 case of soda 16. Spin a glass full of ice cubes and water, but only the glass moves? 17. Roll a bowing ball to the pins on a bowling alley 18. You can only throw the bowling ball 1meter from yourself 19. You are able to move in the water while swimming 20. You stand on bathroom scale and you read your weight