Physics Test 1 Flashcards
Speed
distance over time
Volocity
Displacement over time
Momentum
Velocity x Mass
Force
Definition: Cause of acceleration
Equation: Mass x Acceleration
Force = Push or pull
Acceleration
Change in Velocity over change in Time.
1. Increasing speed
2. Decreasing speed
3. Change directions
Gravity
Earth’s pull on an object
Mass
How much matter something has. (On earth)
Inertia
Same as Conservation of momentum and also known as newtons 1st law.
Conservation of Momentum
Objects in motion want to stay in motion, moving in a straight line unless acted upon by an outside force.
Conservation of
Not gained or lost but can change.
Newton’s 1st law
An object in motion wants to stay in motion. (Same as inertia and Conservation of Momentum.)
Newton’s 2nd law
Same as Force
Force = Mass x Acceleration
Newton’s 3rd law
Every action has an equal and opposite reaction.