Vocabulary
This is a change in velocity over time.
What is acceleration?
This is the change in an object's position.
What is motion?
This is any push or pull.
What is a force?
This is the force between surfaces that slows objects or stops them from moving.
What is friction?
This is the ability to do work.
What is energy?
This is the tendency for an object at rest to stay at rest and an object in motion to stay in motion.
What is inertia?
If a plane flies 640 kilometers/hour south, this is the plane's ____________________?
What is velocity?
A force can cause an object to slow down, speed up, change direction, or ______________________.
What is stop?
This is the ability to do work.
What is energy?
Energy that is stored inside an object is called this.
What is potential energy?
This occurs when two or more objects hit each other with a force.
What is a collision?
This is the speed and direction of an object.
What is velocity?
When forces act on an object without changing its motion, they are called _______________________.
What are balanced forces?
A roller coaster at the top of a hill, has this kind of energy.
What is potential energy?
Forces that do not add up to zero are called this.
What are unbalances forces?
This is the movement of energy from one object to another.
What is energy transfer?
If you can ride your bike 5 miles in one hour, what is your speed?
What is 5 miles/hour?
Forces that do not add up to zero are called this.
What are unbalanced forces?
A roller coaster that moves down a hill has this type of energy.
What is kinetic energy?
This measures how fast an object's position changes over time.
What is speed?
This is the change in an objects velocity over time.
What is acceleration?
This is how fast an object's position changes over time.
What is speed?
This is the tendency of an object in motion to stay in motion, and an object at rest to stay at rest.
What is inertia?
As a roller coaster applies brakes to slow it down, kinetic energy is changed to potential energy and ______________ and ___________________ energy.
What are heat and sound?
What is the definition of a force?
What is a push or a pull?