Relative Position, Accurate or Precise?
The location of an object in relation to the position of another object, Accurate.
A measurement incorporating size and direction.
Coordinate System, Accurate or Precise?
The determination of location based on a numbered grid, Precise.
A measure of how fast something moves through a particular distance over a definite time period.
A measure of the distance traveled in a given period of time.
Speed at a particular instant in time.
How can you find speed if you're given distance and time?
Distance divided by time.
How can you find distance if you're given speed and time?
Speed multiplied by time.
How can you find time if you're given speed and distance?
Distance divided by speed.
A speed in a specific direction.
The rate at which an object's velocity changes with time.
How can you calculate acceleration?
Final Velocity minus Initial Velocity divided by Time.
What is the Acceleration Constant on Earth?
9.8 m/s squared.
Newton's 1st Law of Motion
An object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an unbalanced force.
Newton's 2nd Law of Motion
Force is equal to an object's mass multiplied by its acceleration.
Newton's 3rd Law of Motion
For every action there is an equal and opposite reaction.
How can you find force if you're given mass and acceleration?
Mass multiplied by acceleration.
How can you find mass if you're given force and acceleration?
Force divided by acceleration.
How can you find acceleration if you're given mass and force?
Force divided by mass.
Force that causes attraction between masses.
According to Newton, what two factors influence gravitational attraction between two objects?
Proximity and Mass.
How can you calculate the weight of an object?
Mass (kg) multiplied by acceleration due to gravity.
Force between two objects; a push or a pull.
Acceleration in the same direction to motion causes an object to:
Acceleration in an opposite direction to motion causes an object to:
Stop, slow down, or reverse direction.
Acceleration in the an angle to motion causes a:
Change in direction.
The resistance between objects moving against each other.
Factors that influence friction:
Pressure, Surface Area, and Type of Surface.
The fluid friction due to air. An object with greater surface area will encounter increased air resistance. There is a direct relationship between velocity and air resistance.
The directional sum of all forces acting on an object.
Equal forces acting against each other resulting in no motion.
Unequal forces acting against each other resulting in motion.
A measure of how much force is acting on a certain area.
How can you calculate the pressure that an object exerts on a surface?
Force (N) divided by Area (m squared)