Jamie walks 5 meters north, turns around and walks 7 meters south. What is her displacement?
What is 2 Meters South
100
What is the difference between speed and velocity?
What is velocity includes a direction.
100
This formula is Newton's second law of motion.
What is F=ma
100
Three types of friction.
What is static, sliding, rolling
100
This can be calculated using this formula p=mv
What is momentum
200
Displacements in the same direction can be ______ together.
What is added.
200
The SI unit of speed is...
(what is speed measured in?)
What is m/s
200
Also known as the Law of Inertia.
What is Newton's first law. An object will stay at a constant velocity unless an unbalanced force acts on it.
200
This type of friction acts on objects that are not moving.
What is static friction.
200
How many centimeters are in a meter?
100
300
What is the average speed of a jogger who was jogging at 4 m/s at the beginning of the race, 6 m/s at the middle of the race and 5 m/s at the end of the race.
What is 5 m/s
300
What is the velocity of a car that traveled 30 meters East in 15 seconds?
What is 2 m/s East
300
This is the SI unit that we use to measure Force.
What is Newtons (N)
300
Skates, bicycles, yo-yos, and cars use ball bearings to reduce this type of friction.
What is rolling
300
The SI unit for measuring volume is...
What is ml, L
400
When graphing motion, if a person isn't moving what will the line on the graph look like? (Remember the video of the girl walking her dog as they graphed it).
You may draw it as your answer.
What is a horizontal line.
400
Acceleration is the change of velocity divided by time. Write this is formula form.
What is
a= final velocity-initial velocity/ time
400
For every force, there is an equal and opposite force.
What is Newton's 3rd law.
400
This is the only force working during a free fall.
What is Gravity.
400
We use this SI unit to measure the distance of a road trip.
What is km
500
We need a _____ of ______ in order to describe motion accurately and completely.
What is a frame of reference.
500
When you are in a free fall and the force of gravity is equal to the force of air resistance, this is called...
What is terminal velocity.
500
Slamming on brakes while in a car causes a person to move forward. Which of Newton's laws are illustrated here.
What is Newton's 1st and 3rd law.
500
Acceleration due to gravity is _____ m/s
What is 9.8 m/s
500
We use this SI unit to measure the mass of small things like medicine