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Equal mass - Elastic Slide 2 Slide 3 Slide 4 Slide 5 Slope of v vs t plot gives acceleration. Slide 6 Slide 7 Light cart hits heavy cart - Elastic Slide 8 cart 2 cart 1 Slide 9 cart 2 cart 1 Slide 10 Slide 11 Light cart hits heavy cart Perfectly Inelastic Slide 12 Slide 13 Slide 14 Slide 15 Knowing all the forces exerted on an object gives you direct information about which aspect of the objects 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 Slide 16 Knowing all the forces exerted on an object gives you direct information about which aspect of the objects 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 Slide 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 Slide 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 Slide 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 Slide 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