Motion
A toy car rolls farther on a wooden floor than on carpet.
What is because the carpet has more resistance.
An airplane moves forward through the air because the thrust force has overcome ____?
What is the drag force.
A ball that is bounced on the floor goes up and down due to ___________?
What is gravity?
Forces are measured with a spring scale in these units.
What are Newtons?
the location of an object
What is position?
Making a ramp taller will make a toy car move ____?
What is faster?
Three different students take turns pushing a large heavy ball across a room. The best way to determine who used the most force is to ________.
What is compare the distances?
Objects that are affected by Earth's gravity. Anything that has __________.
What is mass?
A force that opposes motion. It acts between two objects that are touching.
What is friction?
mass x velocity
What is momentum?
Motion has two parts: distance and _____?
What is direction?
This can be used to measure a force.
What is a spring scale?
One person pulls to the right with 10 Newtons of force. The other person pulls to the left with 15 Newtons. What is the net force pulling on the rope?
What is 5 Newtons to the left?
When you release a bow string, its potential energy becomes this.
What is kinetic energy?
the energy of a moving object
What is kinetic energy?
The more inertia an object has, the harder it is to change its___________?
What is momentum?
Forces may be balanced or -----?
What is unbalanced?
Force= mass times acceleration
What is Newton's Second Law?
All forms of energy have one thing in common. They all perform this.
What is work?
when forces act on an object without changing its motion
What is balanced force?
When the position of an object changes, it is in motion and has a ________.
What is velocity?
If an unbalanced force acting on an object is increased, the object will ______?
What is accelerate more?
Objects in motion tend to stay in motion. Objects at rest tend to stay at rest.
What is Newton's First Law?
The amount of kinetic energy an has depends on its velocity and what?
the energy an object possesses due to its position above the Earth's surface.
What is gravitational potential energy?