Lesson 1
The rate at which velocity changes?
Acceleration
A force that pulls objects towards each other
Gravity
A characteristic of a moving object that is related to the mass and velocity of the object
Momentum
If an object has a final speed of 30mph, an initial speed of 0 mph, with a time of 2 seconds. What is its acceleration?
15
Force is measured in what SI unit?
Newton (N)
The force that 2 surfaces exert on each other, when they rub against each other
Friction
Resistance to change in motion is called what?
Inertia
What mathematical operation is used to calculate momentum?
Multiplication
What is the equation for velocity?
Momentum/ Mass
The combination of all forces on an object?
Net Force
What is the SI unit used to measure mass?
Kilograms (KG)
Every action has an equal and opposite reaction is a summary of newton's _____ Law
3rd Law
What is the equation for netforce
Mass X Acceleration
When one object pushes or pulls another object it exerts a ______?
Force
What are the 4 different types of friction, and what is 1 example of each?
2. Rolling
3. Fluid
4. Sliding
An object in motion will stay in motion unless acted upon by a non zero NetForce is a summary of newtons ____ Law
1st Law
What is the equation for acceleration according to newton's 2nd law?
Netforce/Mass
In science, acceleration refers to what 3 things?
1. Increasing Speed
2. Decreasing Speed
3. Changing Direction
Two factors that affect the gravitational attraction between objects are?
Mass and Distance
An objects motion states that an object's acceleration depends on its mass is a summary of newton's ____ Law
2nd Law
What is the equation for momentum?
Mass X Velocity