Equations
a=v/t is the equation for what?
acceleration
How many categories of energy are there?
2
How many laws of motion are there?
3
What is the main difference between speed and velocity?
What is the force of an object that has a mass of 10 and an acceleration of 5
50
What is the equation for force?
F=ma
What is the energy stored in a bow string?
Elastic Potential
Which law gives us the equation for force?
Newton's Second Law
In order to determine an objects position, we need what?
Reference point
What is the potential energy of a ball of mass 4 and a height of 2
78.4 J
What is the equation for Velocity?
v=d/t
What property of objects has the most effect on energy (not including light)
Mass
"For every action there is an equal and opposite reaction" is stated by which law of motion
3rd Law
What is the term for a measurement that has both magnitude and direction
Vector
What is the velocity of a car that travels 30 meters in 5 seconds
6 m/s
What is the constant for the acceleration due to gravity? (Numerical value not symbol)
9.8
What category of energy does Kinetic and Sound energy belong to
Mechanical Energy
Which law is stated here?
"An object in motion tends to stay and motion and an object at rest tends to stay at rest unless acted on by a net external force"
1st law
What is the force that is exerted by the ground pushing back up on us?
Normal Force
what is the kinetic energy of an object with a mass of 10g at a velocity of 2 m/s
20 J
What does the letter d represent in the following equation
d=d0 + v0t + 1/2at2
Displacement/Distance
How many types of energy have we talk about in class
9
(Kinetic, Electrical, Sound, Light, Solar, Heat, Gravitational, Elastic, and Chemical)
What is another name for Newton's First Law?
Law of Inertia
What is the name of the law that states "Energy can neither be created nor destroyed"
Conservation of Energy
How far did an object travel that starts at rest, accelerates at a rate of 5 m/s^2 and travels for 5 seconds
125 m