Motion
Motion Graphs
Newton's Laws
Work and Power
Simple Machines
100
This is a measure of how far an object has traveled from its origin
What is displacement
100
On a distance v. time graph, a positive slope indicates that an object is doing this
What is moving forward
100
Two people are pushing a box to the left, one with a force of 3N and the other with a force of 4N. Another person is pushing the same box to the right with a force of 7N. This is the net force on the box.
What is 0N. The forces are balanced.
100
Student A is pushing a pencil across her desk with her pinky. Student B is bringing a book to her teacher. Which student is doing the most work on their respective object?
Who is student A.
100
Simple machines decrease the amount of ______ force needed to overcome the _______ force
What is simple machines decrease the amount of effort force needed to overcome the resistance force
200
This is the difference between speed and velocity
What is velocity includes direction
200
On a velocity v. time graph, a negative slope indicates that an object is doing this
What is slowing down (decelerating)
200
This is Newton's First Law of Motion.
What is an object in motion stays in motion
200
This is the rate at which you do work.
What is power.
200
This simple machine allows an object to be lifted while the person lifting the object stays on the ground
What is a pulley
300
This is the velocity of bicyclist who travels to the northeast at a rate of 51 meters in 17 seconds.
What is 3 meters/second northeast
300
On the graph, what is the velocity of the object at 2 seconds?
What is 20 meters/second
300
Newton's Law of Gravitational Force says that every object in the universe pulls on every other object. This force of attraction between two object depends on these two factors
What is mass and distance
300
Mr. Jones did 20J of work in order to move a desk 2 meters. This is the force he used to move the desk.
What is 10N.
300
Your arm represents this type of simple machine
What is a lever
400
This is the acceleration of a race car driver who slows down from 60 meters/second to 50 meters/second over a period of 5 seconds.
What is -2 meters/second^2
400
On a velocity v. time graph, no slope indicates that the velocity is _________ and the acceleration is _________
What is the velocity is constant and the acceleration is zero.
400
Two girls on roller skates facing one another push against each other. Girl A has twice the mass of girl B. This girl will move backwards with a greater acceleration.
Who is girl B.
400
These are two ways to scientifically increase power.
What is decrease the time, increase the force, increase the distance, or increase the work (choose 2).
400
When chewing food, your teeth represent this kind of simple machine
What is a wedge
500
This is the velocity of a car when there is no acceleration
What is constant
500
On the graph, what is the acceleration of the object between 8 and 10 seconds?
What is -10 meters/second^2
500
Rockets are a demonstration of Newton's Third Law of Motion. What is the action/reaction pair involved in rockets?
What is the rocket pushes exhaust down, and the exhaust pushed the rocket up.
500
A light bulb uses 60 Watts to do 300J of work. This is the amount of time the bulb takes to do this work.
What is 5 seconds
500
You use 300N of force to push a box up a ramp. The box weighs 400N. What is the mechanical advantage of the ramp?
What is 1.3