An object moving through a gas or liquid encounters an opposing force.
What is a drag force?
100
A change in an object's position compared with fixed objects around it.
What is motion?
100
Unit for measuring force.
What is a newton?
100
Accelerates faster because it has less mass for the same amount of force.
What is a car?
100
A motor vehicle, like an automobile, that can fly
What is the Skycar?
200
The speed and distance of a moving object.
What is the velocity?
200
How fast an object's position changes with time at any given moment.
What is speed?
200
A push or pull that one object exerts on another.
What is a force?
200
The quantity that measures both the mass of an object and how fast the object is moving.
What is momentum?
200
It is a jet plane that can fly above the atmosphere
What is the HyperSoar
300
The measure of space between two points.
What is the distance?
300
If you divide the total distance traveled by the amount of time.
What is the average speed?
300
The combined effect of all the forces acting on an object.
What is the net force?
300
The totaol momentum does not change if there are no outside forces acting on the system.
What is the principle of conservation of momentum?
300
It is unsafe for large numbers of people to fly small airplanes
What is the disadvantages of Skycars?
400
The location of an object when compared to things around it.
What is the position?
400
When a car's speedometer shows an increase in speed with time.
What happens when a car accelerates?
400
Anytime two or more forces acting on an object completely offset one another.
What are balanced forces?
400
Anytime one object exerts a force on another object, a pair of forces acts - an action-reaction pair of forces. The two forces have the same strength but act in opposite directions.
What is Issac Newton's third law of motion?
400
Radar system, parachutes
What is safety features of the Skycar?
500
The force that opposes the motion of an object in contact with a surface.
What is friction?
500
If the driver of the car steps off the gas pedal and applies the brakes, the speedometer needle falls to slower speed.
What happens when a car decelerates?
500
When the force or forces acting on an object do not completely offset one another.
What are unbalanced forces?
500
The acceleration of an object is related to the object's mass and to the amount of force applied to the object. a=F/m an object's acceleration equals the net force of an object divided by the object's mass.
What is Issac Newton's second law of motion?
500
Automobiles, airplanes, helicopters, spacecraft,
What are some technological improvements in transportation in the past?