Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Welcome to

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Laws of Motion Jeopardy Final Jeopardy Newton’s Third Law Horizontal and Vertical Motion Math and Graphs Newton’s First Law Newton’s Second Law

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 100 Question-- What is Newton’s first law?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 100 Answer-- A body in motion tends to stay in motion, a body at rest tends to stay at rest

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 200 Question-- What will a moving object do if no force acts upon it?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 200 Answer—Continue moving with a constant velocity

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 300 Question-- What will happen to a penguin figurine that starts moving 30 m/s on a frictionless surface

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 300 Answer--The penguin will continue to move at 30 m/s

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 400 Question-- What must happen if a body is to change velocity?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 400 Answer-- A force must act upon the object

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 500 Question-- What is the name of the property that causes a body to maintain constant motion

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s First Law 500 Answer--Inertia

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 100 Express Newton’s second law as an equation

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 100 Answer-- F=ma

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 200 If mass one is double mass two, and I want mass one and mass two to accelerate at the same rate, then the force on mass one must be _____ the force on mass two mass one mass one

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 200 Answer-- double

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 300 Question-- If the applied force is 25 N and the mass is 5 kg then what is the acceleration? 5 kg 25 N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 300 Answer-- 5 m/s 2 F=m. a 25N=5kg. 5m/s 2

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 400 Question-- What is one newton equivalent to in SI units? Use meters, kilograms, and seconds.

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 400 Answer-- 1N=1kg. m/s 2

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 500 Question-- What goes on the unlabeled axis if force is constant? ? time

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Second Law 500 Answer-- Velocity Constant force causes constant acceleration which is shown by a velocity with a constant slope

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 100 Question-- What is Newton’s third law?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 100 Answer--Every action has an equal but opposite reaction

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 200 Question--If I push on the wall with 100 N of force, how hard does the wall push on me in reaction?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 200 Answer N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 300 Question-- Gravity pushes things down. What is the name of the opposing force that pushes things up?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 300 Answer-- the normal force

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 400 Question-- When a fish swims, what is pushing it forward? What is the other half of the action/reaction pair?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 400 Answer--The water pushes the fish forward, in reaction to the fish pushing backward on the water.

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 500 Question-- If the box below is not moving, what is missing from the free body diagram? F N = ? N F= -10 N F f = 5 N F push = ? N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Newton’s Third Law 500 Answer F friction = 5 N F N = 10 N F push = -5 N F g = -10 N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 100 Question-- If a bullet is dropped at the same time that a bullet is shot horizontally and we ignore air resistance, which will hit first?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 100 Answer--Both will hit at the same time

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 200 Question-- Horizontal motion maintains a constant velocity. What is the equation for distance traveled?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 200 Answer– d=v. t

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 300 Question-- For vertical motion, velocity increases at a constant rate do to gravity. What is the equation for vertical velocity?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 300 Answer-- v = a. t or v = 10. t

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 400 Question-- For vertical motion, velocity increases at a constant rate do to gravity. What is the equation for vertical distance if the object starts with no vertical velocity?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 400 Answer-- d = ½ a. t 2 or d = 5. t 2

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 500 Question-- When there is both initial velocity and acceleration, what is the combined equation for distance?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Horizontal and Vertical Motion 500 Answer-- d = v 0. t + ½ a. t 2 v 0 =initial velocity

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 100 Question-- A cart is pushed on a frictionless surface so that it travels at 2.5 m/s. How far does it travel in 3 seconds?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 100 Answer m d=v. t

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 200 Question-- How far down will a rock fall in 2 seconds if it is thrown horizontally with a speed of 1 m/s?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 200 Answer-- 20 m d=½ a. t 2 a=gravity=10 m/s 2 t=time=2 sec Horizontal velocity does not effect vertical velocity

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 300 Question-- If my weight is 700 N on Earth, what is my weight on Venus where the force of gravity is 9 m/s 2 ?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 300 Answer N F=ma 700N=m. 10m/s 2, m=70kg F=ma, F=70kg. 9m/s 2 =630N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 400 Question-- I have a wagon with a mass of 5 kg at rest. I want it to be traveling 8 m/s after 4 seconds of pulling. How much force do I need to pull with?

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 400 Answer-- 10 N a=v/t=(8m/s)/4s=2m/s 2 F=ma=5kg. 2m/s 2 =10N

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 500 Question-- Is the applied force increasing, decreasing, or constant? time acceleration

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Math and Graphs 500 Answer-- The force is increasing F=ma, mass is constant and acceleration is increasing, so force is increasing

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Final Jeopardy What is the acceleration? What is the distance traveled? Is the force applied increasing, decreasing, or constant? 0 sec 1 sec 2 sec 3 sec time 0 m/s 6 m/s 4 m/s 2 m/s velocityvelocity

Template created by Pamela Lovin/LRHS, Wake County Public Schools, South Carolina Final Jeopardy Acceleration= v/t =(6m/s)/3sec=2m/s 2 distance= area under the graph area= ½. base. height=½. 3s. 6m/s =9m F=ma, acceleration is constant, so force must be constant