What is an object in motion stays in motion unless an unbalanced force acts upon it
100
This is the shape in which planets orbit the sun
What is ellipse
100
This is energy that is stored due to the position of an object
What is potential energy
100
What are the units for Power?
What is watts
200
State the equation associated with Newton's 2nd Law of Motion
What is F=ma
200
This is the reaction force to a hammer hitting a nail
What is the nail hitting the hammer
200
As a satellite orbits a sun and gets CLOSER to the sun, this is what happens to the planet's speed
What is it increases
200
This is "energy in motion"
What is kinetic energy
200
What are the units for work?
What is joules
300
List the 4 examples of vector quantities
What is acceleration, velocity, displacement, force
300
An astronaut has a weight of 700N on the earth. What can be said about her weight AND her mass on the moon?
What is same mass, smaller weight
300
As a satellite orbits a sun and gets farther away from the sun, this happens to its speed
What is slows down
300
Batteries convert chemical energy into this kind of energy
What is electrical
300
What are the equations for work and power?
What is w=fd; p=w/t
400
This is the force exerted on you BY A CHAIR when you sit in it
What is normal force
400
If the net force acting on an object is equal to zero, what will happen to that object's movement?
What is it will continue along its current path at its current speed
400
This is the name for when a satellite is closest to its sun during an orbit
What is perihelion
400
When you toast a bagel, electrical energy is changed into what other kind of energy?
What is heat energy
400
A bird flies north for 6 hours and goes 60 miles. This is the bird's velocity. (You must have all components!)
What is 100 miles/hour north
500
On a velocity-time graph, a negative slope indicates the object is doing this
What is decelerating
500
A very massive object A and a less massive object B move toward each other under the influence of mutual gravitation. Which force, if either, is greater?
What is Neither - they are the same
500
This is the name for the position of a satellite in orbit when it is farthest from its sun
What is aphelion
500
This is how the orbital speeds of circular and elliptical satellites vary
What is circular - speed/distance doesn't change; elliptical - speed and distance both change
500
The slope of a distance-time graph indicates the _____ of an object