Air Pressure
Define air pressure
The weight pushing against an object
The heavier the object, the __________ force needs to be applied.
MORE
Name the first law and explain it
Law of Inertia, if something is at rest it wants to stay at rest. If something is in motion, it wants to continue to move.
Units
Measurements
A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?
Which information were we given?
Force and Acceleration
Define air resistance
Air moves against an object causing it to slow down.
The less dense the object, the __________ force needs to be applied.
LESS
Name the Second law and explain it
Force= Mass x Acceleration
Variables
Letters
If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be person’s acceleration?
Which information were we given?
Mass and Force
As the density of air decreases , the pressure of the air will __________
Increase
Mass measure the ________ of an object
Weight
Name of the third law of motion
Action- Reaction
Formula
Equation
A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.
Which information were we given?
Force and Mass
Low pressure causes which type of weather.. hot or cold?
Hot ( near the equator)
During the water bottle, baking soda and vinegar experiment, which type of reaction was observed? What is this reaction called specifically?
Chemical Reaction
Acid- Base reaction
What is the name of the man that discovered the 3 laws of motion?
Sir Isaac Newton
Wind Vane
Used to measure the direction of the wind.
An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required to produce this acceleration. Solve for the unknown
F= 300x4
F= 1200 Newtons
Which factors affect air pressure? (3)
Temperature
Altitude
Moisture
Why can breathing be difficult?
There is an unbalanced amount of air between our lungs and the atmosphere
What are the measures used for mass, force and accelerate?
Mass= kg
Force= newtons
Accelerate= m/sec2
Ordinal and Cardinal Directions. List them all
N, E, S,W
NE. SE. NW. SW
A force of 400 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object? Solve for the unknown variable.
400= 5m
m= 80kg