What force opposes movement & involves two surfaces touching?
What is Friction
100
Inertia is a property of _________.
What is matter
100
This is how far from your starting point you have traveled
What is Displacement
100
_________ is Inertia in motion.
What is Momentum
100
Mr. Trump is driving without a seatbelt on and runs into a brick wall. What explains why he crashes through the windshield and is ejected from the vehicle?
What is his Inertia keeps him moving forward (his mass wants to stay in motion)
200
What force keeps the planets in orbit around the sun?
What is Gravity
200
The more _________ an object has, the more inertia it has.
What is Mass
200
This the rate that an object changes its velocity
What is Acceleration
200
Which has more momentum: a Bullet moving at 100m/s or a Brick moving at 100m/s?
What is the Brick: MORE MASS at same velocity
200
You're driving a car. After stopping at a red light, you hit the gas and reach 20m/s in 4s. What is your acceleration?
What is 5m/s/s (or 5 m/s2)
300
What kind of forces cause movement?
What is Unbalanced Forces
300
Which has more inertia: a Bowling ball or a Tennis ball?
What is a Bowling Ball (more Mass)
300
This is the tendency of an object to resist changes in motion (a train has a lot, a feather only has a little)
What is Inertia
300
I drive 20 miles to school and then go back home. What is my distance and what is my displacement? (GIVE TWO NUMBERS)
What is DISTANCE = 40mi, DISPLACEMENT = 0mi
300
My sister hits a parked car. After the collision, the parked car is moving. Explain this observation.
What is MOMENTUM was transferred from my sister to the parked car, making it move
400
What kind of forces result in NO movement?
What is balanced forces
400
Which has more momentum: A speeding bullet or a stationary train?
What is the bullet (have to have velocity to have momentum!)
400
This is the ratio of distance traveled over time
What is Speed
400
What is the unit for Acceleration?
What is meters per second squared (m/s/s or m/s2)
400
(ON THE BOARD) Which Object is going faster?
What is the Unicorn
500
When you push on something, what does it do back to you?
What is it pushes back (action/reaction)
500
What two factors affect the momentum of an object?
What is its MASS and VELOCITY
500
On a distance/time graph, this will tell you the SPEED. On a speed/time graph, this will tell you the ACCELERATION.
What is the SLOPE of the line
500
I am being chased by a gorilla. I run 100m west in 25s. What is my velocity?