Motion and Speed
A change in motion over time.
What is motion?
The rate at which velocity changes.
What is acceleration?
Simply a push or pull.
What is a force?
The force of attraction between masses.
What is gravity?
Any material that can flow and take the shape of its container.
What is a fluid?
A location where you compare other locations.
What is a reference point?
When an objects velocity increases.
What is positive acceleration?
The SI unit for forces.
What is the newton?
f=mg
What is the formula for force?
The measure of how much force is acting on a given object.
What is pressure?
The straight line between two positions.
What is displacement?
When an objects velocity decreases.
What is deceleration or negative acceleration?
A combination of all forces acting on an object.
What is net force?
Makes objects fall at different rates because of their masses.
What is air resistance?
pressure= force/area
What is the formula for pressure?
Speed in a specific direction.
What is velocity?
The units for acceleration.
What is m/s2?
The tendency if all objects to resist a change in motion.
What is inertia?
Gravitational force relates to mass and distance
What is the law of universal gravitation?
The SI unit for pressure.
What is the Pascal (Pa)?
A quantity that has size and direction.
What is a vector?
Acceleration in a circular motion.
What is centripetal acceleration?
All forces act in pairs.
What is Newton's third law?
When gravity pulls down on an object and no other forces act upon it.
What is free fall?
The buoyant force acting on an object in a fluid is an upward force equal to the weight of fluid the object displaces.
What is Archimedes' principle?