Show:
Friction
Forces
Newton's laws
Motion
Speed and Velocity
100
When objects aren't moving.
What is Static friction.
100
A push or pull on an object.
What is Force.
100
The state of motion of an object does not change as long as the net force acted on the object is ________.
What is Zero.
100
Motion is usually compared to __________________________________.
What is Frame of reference. (Earth)
100
The ratio of distance to time.
What is Speed.
200
When objects are moving through a liquid.
What is Fluid friction.
200
Forces cause changes in __________, ___________, ___________.
What is Velocity, acceleration, and direction.
200
The tendency of an object to resist a change in motion.
What is Inertia.
200
We choose a frame that makes ______.
What is Sense.
200
What is the formula for average speed?
What is d/t Total distance/total time.
300
Allows movement forward, but not backwards.
What is Rolling friction.
300
Forces are _________ so they are drawn using arrows (shows magnitude and direction.)
What is Vectors.
300
Newton's second law?
What is The acceleration of an object is equal to the net force acted on it divided by the object's mass.
300
The length of a path between two points.
What is Distance.
300
Speed you are going right that instant.
What is Instantaneous speed.
400
When objects are sliding past each other.
What is Sliding friction.
400
When you go on the moon your _________ changes.
What is weight.
400
What is the formula for Newton's second law?
What is F=ma
400
Straight line between start and end.
What is Displacement.
400
The ________ of the graph (distance/time) can be used to determine speed.
What is Slope.
500
Fluids are liquids or gases?
What is both.
500
The net force is zero with no acceleration.
What is Balanced forces.
500
Newton's third law?
What is When one object exerts a force on a second object, the second object exerts an equal, but opposite force on the first object.
500
If vectors are not in a straight line, then we have to use ___________ to add the vectors.
What is Trigonometry.
500
Velocity is added by ______ addition (like displacement.)
What is Vector.