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Basics of Flight
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What is the science word that means something at rest will stay at rest. (Think Newton's 1st law)
Inertia
A wheelbarrel full of rocks is harder to move than an empty one because there is more mass. Explain how this relates to Newton's 2nd law.
It takes more force to move a greater mass.
The hockey puck will slide along the ice, but not unless the hockey player hits it with his stick. Which of Newton's laws is this?
1st: Inertia. The puck will move only if acted upon by another force.
Which of Newton's law would explain how the pogo stick allows its user to jump up and down.
3rd: Equal and opposite reaction. The spring compresses and then spring open.
How does hitting a baseball off a batting tee demonstrate Newton's 1st law?
An object at rest--the baseball--will stay at rest--on the tee--until a force--the bat--hits it.
Explaiin how a rocket launching from earth demonstrates Newton's 3rd Law.
The rocket is pushing away from the explosion (caused by the fuel). The explosion is pushing away from the rocket.
How does the shape of a plane's wing affect its ability to generate lift?
air travels faster over the longer/curved surface on top. This creates a low pressure "vacuum." There is a high pressure created under the wing.
What is the shape of a plane's wing?
airfoil
Which principle of flight is this?
Lift
Which principle of flight is this?
Weight
Which principle of flight is this?
Drag
Which principal of flight is this?
Thrust
How does Newton's cradle explain his third law?
For every action, there is an equal and opposite reaction. One ball will cause one ball on the other end to move. Two balls will cause two balls to move. Etc.
How would you describe Newton's first law using this picture?
The ball will only move if you kick it. Once it's moving, it will keep on moving until the net stops it (acteed upon by another force.)
How would you describe Newton's second law using this picture?
A greater force is required to move a larger mass.
In Newton's equation F = m * a, what does the a stand for?
acceleration
In Newton's equation F = m * a, what does the m stand for?
mass
In Newton's equation F = m * a, what does the F stand for?
Force
What is the equation in Newton's second law:
F = m * a (Force equals mass times acceleration)
Newton says that two factors affect acceleration. What are they?
1. The mass of an object 2. The size of a force acting on the mass
What does Newton's First Law say about inertia?
An object at rest will stay at rest unless acted upon by another force.
What is the benefit of using a prototype when working on a project?
It allows you target areas that need improvement and make minor changes alone the way. It saves money and time.
Where is the rudder located?
On the vertical stabilizer, on the back of the tail/fin.
What part of the plane controls the yaw?
rudder
What does yaw mean? Show the type of motion it represents.
It's a turn, pivoting along a vertical axis.
Describe how the ailerons' movement allows the plane to roll.
They rotate opposite each other. Whichever aileron is rotated upwards has less lift and less drag. That causes you to turn in that direction.
Where do you find the plane's ailerons?
on each wing
What part of the airplane allows the plane to roll?
ailerons
Where are the plane's elevators located?
Horizontal stabilizers, mounted on the tail/fin or the plane
What part of the plane controls the plane's pitch?
elevators
What is is called when the nose of the plane is pointing up or down?
pitch
What force is opposite thrust?
drag
What force is opposite weight?
lift
What force is opposite lift?
weight
What force is opposite drag?
thrust
What is the force of gravity that is pulling down on a plane while it's in flight?
Weight
What is the upward force that allows a plane to raise off the ground and stay in the air?
Lift
What do you call the force of resistance that is working against thrust?
drag
How would you describe THRUST (with regard to a plane in flight)?
It is the forward motion.
What is the principle of flight that is controlled by the engine(s) or propeller(s)?
thrust