Stupendous Speed
What is the formula for acceleration?
Acceleration = Final Velocity - Initial Velocity / Time
Forces are described by their ______
Strength and Direction
What is the formula for Force & what is the name of it's unit of measure?
What is Force = Mass x Acceleration
And What are Newtons
How is speed different from velocity?
velocity needs a direction
What is the velocity of an object that is moving 6 meters in 2 seconds east?
3 m/s east
What are three ways we can tell if something is accelerating?
speeding up, slowing down, or changing direction
True or False - Newton's First Law of Motion is also known as the Law of Acceleration
False - The correct answer is Inertia!
True or False - Inertia is the tendency of an object to resist change in motion.
TRUE
What is the average speed of a horse that walks east 360 meters in 90 seconds? (Remember, the units must be m/s or km/hr)
4 m/s
Distance = 40 meters, Time = 5 minutes, Direction = South What is the velocity of this object?
8 m/s south
Which of our formulas must have a Vector in order to be complete?
velocity
A Goose moved toward a pond at a speed of 5 m/s. It took him 7 seconds. What was the distance he traveled?
35 meters
An object travels 35 meters in 2 seconds east. What is it's velocity?
17.5 m/s east (must include direction!)
A cross-country runner runs 4km in 15 minutes. What can you calculate using this information?
Speed
The upward force on an object falling through the air is ______________.
Air Resistance
What two factors make Newton's Law of Motion difficult to prove on Earth?
What are Friction & Gravity
A piece of paper falling off a desk will move more slowly than a book because of what?
Air Resistance
Two or more forces acting on an object that do NOT cancel each other out and cause the object to accelerate are _______
Unbalanced Forces
An object acted upon by a force will accelerate in the direction of that force is _______
Newton's 2nd Law of Motion
The combination of all forces acting on an object is ____
Net Force