True or False
Acceleration is always positive.
What is false, it can be negative?
List a type of force
What is gravity, applied, friction, or drag
Mass and Force
force is based on mass
Gravity
The force that pulls us down
Direction
The orientation of an object or where it is going
Gravity is a force that pushes us down.
What is false, it pulls?
Name an example of friction
What is hands rubbing together, marble on carpet
frictions and aerodynamics
Aerodynamics reduces friction
Mass
How heavy something is
Friction
The force that allows objects to slow down or stop
Net force is when you add or subtract all of the forces involved together.
What is true?
Newton's 3 Laws of Motion are
Objects at rest stay at rest, force is based on mass and acceleration, and Equal and opposite
Acceleration and direction
Acceleration
Velocity
The measure of both speed and direction
Gravity exists on Earth and other planets.
What is true?
Why does a rocket have to reach a certain speed when leaving Earth?
Gravity or Newton's third law
Net force and motion
net force=0, no motion
Motion
The change in an object's position or orientation over time based on a reference point
Force
The push or pull that causes an object to move
What is false, it will reach a terminal velocity?
What 3 forces are involved in paper airplane flying?
drag, thrust, lift
Miss Hope and Ms. Doud
They are co teachers!
Aerodynamics