Newton's 3 Laws
What is a push or pull on an object called?
Force
What is the formula for force?
f=m x a or force equals mass times acceleration
How do you convert from grams to kilograms?
What unit(s) did we use for mass?
grams or kilograms
Fill in the blank: As the drag car mass increases, the acceleration ___________.
Decreases
Which Law? The cars that are lighter go faster & the cars that are heavier go slower.
Newton's 2nd Law
What is the formula for acceleration?
a = f/m or acceleration equals force divided by mass
How do you convert for millimeters to centimeters
Move the decimals 1 place to the left or divide by 10
What unit did we use for force?
Newtons
How do you resolve the problem with rolling friction?
Reduce the weight of the car or make it lighter.
Which Law? A rocket is launched into orbit. As the gases escape upon launch, the rocket goes up.
Newtons 3rd Law
Calculate the force: The mass of an object is 25 kg and is accelerating at 10 m/s2.
250 Newtons
The mass of your car is 55 grams. Convert this to kilograms.
.055
What unit did we use for acceleration?
meters per second squared or m/s2
Since force is divided by mass to get acceleration, what kind of number do you want as your mass that you divide by?
a smaller or lower number
Which Law? A car is traveling at a constant speed and suddenly stops.
Newton's 1st Law
Calculate the acceleration: A drag car's CO2 cartridge exerts a force of 18 Newtons. The car's mass is 75 grams.
240 m/s2
The car height could not be over 75 millimeters. What is this in centimeters?
7.5 centimeters
To meet the drag car requirements, we converted from millimeters to what?
Fill in the blank: A car is said to be _______ when it is smooth, sleek, and disrupts very little air.
Aerodynamic
Fill in the blank: Isaac Newton wanted to find out how objects _______ and don't ________.
move, move
Calculate the force: The mass of an object is 125 grams. The acceleration is 15 m/s2. Round to the nearest hundredth.
1.88 Newtons
A bowling ball weighs 30 kilograms. How many grams is this?
30,000 grams
Your _____ stays the same regardless of where you are at in the solar system, but your ______ changes with your location.
mass, weight
What type of friction is caused by air moving past the body of the car?
Fluid Friction