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Must Know
Units
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Hodge-Podge
Force and Motion
100
The change in an object's position in relation to a reference point.
What is motion?
100
The basic SI unit for time.
What are seconds?
100
The speed of a toy car that travels 10 m in 2 s.
What is 5 m/s?
100
Speed that is staying the same, like a car on cruise control
What is constant speed.
100
He developed the laws that explain motion.
Who is Isaac Newton?
200
The distance an object travels in a unit of time.
What is speed?
200
Common units for speed.
What are m/s or mi/hr, etc.
200
The velocity of a northbound train going 90 km in 3 hours.
What is 30 km/hr north?
200
Speed at a specific point in time, like when you look at the speedometer.
What is instantaneous speed?
200
An object at rest will stay at rest or an object in motion will stay in motion unless acted upon by an outside force.
What is Newton's first law of motion?
300
The speed of an object in a given direction.
What is velocity?
300
Velocity includes this as well as an object's speed.
What is direction?
300
Your distance if you run from one goal line to the other and then back again on the football field.
What is 200 yards?
300
This is drawn to show the trend when dots on a graph are not in a straight line.
What is line of best fit?
300
When forces are balance, this is the net force.
What is zero?
400
The product of an object's mass and its velocity. p=mv
What is momentum?
400
This is a commonly used unit for acceleration.
What is m/s/s?
400
Your displacement if you run from the north goal line to the south one, and then back to the 35 yard line nearest your original starting point.
What is 35 yards south?
400
The total distance divided by the total time.
What is average speed?
400
The sum of all the forces acting on an object.
What are net forces?
500
The change in velocity divided by the change in time.
What is acceleration?
500
These are the common units for momentum.
What is Kg-m/s?
500
The momentum of a 1000 Kg car traveling at 100 km/hr west.
What is 100,000 Kg-m/hr?
500
This Law says momentum never is lost or gained.
What is the Law of Conservation of Momentum?
500
When a force of 20 newtons is pushing to the right and a force of 10 newtons is pushing in the same direction, the net force is this.
What is 30 newtons?