1. Equal mass - Elastic

5. Slope of v vs t plot gives acceleration.

7. Light cart hits heavy cart - Elastic

8. cart 2 cart 1

9. cart 2 cart 1

11. Light cart hits heavy cart – Perfectly Inelastic

15. Knowing all the forces exerted on an object gives you direct information about which aspect of the object’s motion? © 2015 Pearson Education, Inc. Section 8.7 Clicker Question 5 1.Its position 2.Its displacement 3.Its energy 4.Its momentum 5.Its acceleration

16. Knowing all the forces exerted on an object gives you direct information about which aspect of the object’s motion? 1.Its position 2.Its displacement 3.Its energy 4.Its momentum 5.Its acceleration © 2015 Pearson Education, Inc. Section 8.7 Clicker Question 5

17. What are the magnitude and direction of the net force exerted on a car traveling on a straight downward slope of a highway at a constant 100 km/h? 1.An amount of force proportional to the speed down the slope 2.An amount of force proportional to the speed up the slope 3.Zero 4.Cannot be determined from the given information © 2015 Pearson Education, Inc. Section 8.1 Clicker Question 1

18. 1.An amount of force proportional to the speed down the slope 2.An amount of force proportional to the speed up the slope 3.Zero 4.Cannot be determined from the given information What are the magnitude and direction of the net force exerted on a car traveling on a straight downward slope of a highway at a constant 100 km/h? © 2015 Pearson Education, Inc. Section 8.1 Clicker Question 1

19. The magnitude of the gravitational force exerted by Earth on an object of inertia m 1 is m 1 g. What is the magnitude of the force exerted by the object on Earth (inertia m E )? 1.m 1 g 2.m E g 3.0 4.Cannot be determined from the given information © 2015 Pearson Education, Inc. Section 8.8 Clicker Question 6

20. The magnitude of the gravitational force exerted by Earth on an object of inertia m 1 is m 1 g. What is the magnitude of the force exerted by the object on Earth (inertia m E )? 1.m 1 g 2.m E g 3.0 4.Cannot be determined from the given information © 2015 Pearson Education, Inc. Section 8.8 Clicker Question 6