Constants
What is the value of acceleration due to gravity?
9.8m/s^2
What force resists motion on a object movign along a surface?
Friction.
The formula for Gravitational Potential energy is mg times what other variable?
Height
Aristotle
A quantity with magnitude but no direction
scalar
Unit of power.
In free fall what force is being applied?
Gravity
A tennis ball, a truck and a ping pong ball are rolling down a hill. Which one has the greatest kinetic energy?
The truck
An English scientist who developed laws of universal gravitation and motion in the 1600s.
Isaac Newton
a quantity with magnitude and direction
vector
Gravitation constant value
6.67x10^-11
Newtons
Elastic
developer of the three laws of planetary motion.
Johannes Kepler
Formula for newton's second law
F = ma
Avogadro constant
6.02x10^23
What are the two variables of momentum?
Mass and Velocity
Collision where kinetic energy is lost
Inelastic
Inventor of the thermometer
Galileo
a diagram showing all the forces acting on an object
Free body diagram
What is the speed light?
299 792 458 m / s
If an object is at rest on a flat surface, there is always gravity pulling down and the normal force pushing up. Which force is greater?
The forces are equal
Energy that can be stored in a spring
Elastic Potential Energy
greek inventor and mathematician who calculated pi
Archimedes
The speed of light is 299,792,458 m/s. What is the acceleration?
0 m/s