forces and motion
Use the Force!
Formulas and units
Graphs
Word Problems
100
A push or pull
What is a force?
100
Describe how the motion of a ball thrown upward changes and what this is due to.
What is slows down and gravitational force.
100
Mass must be in this unit for most formulas.
What is kg or kilograms.
100
The slope of a position vs. time graph.
What is velocity?
100
The acceleration of a 20 kg object experiencing a force of 200 N
What is 10 m/s2
200
The force that pulls all objects to the ground.
What is gravitational force?
200
How would unbalanced forces appear in a force diagram?
Various answers: One arrow longer or present on one side and not another.
200
There are ____ cm in a meter and ____meters in a kilometer.
What is 100 and 1000?
200
The slope of a velocity vs. time graph
What is acceleration?
200
Team A pulls with a force of 100 N and Team B pulls with a force of 200 N. Which team will win the tug of war?
What is Team B
300
The force acting on a marble that rolls off a table and is falling through the air.
What is the force of gravity?
300
A pulling force that involves a string, rope, or wire.
What is the force of tension?
300
The formula for acceleration.
a = Vf -Vi / tf- ti
300
What the area under a velocity vs. time graph can show.
What is displacement?
300
The force on a 1500 kg car moving at 2 m/s2
What is 3000 N?
400
The acceleration of a 20 kg object experiencing a force of 200 N
What is 10 m/s2
400
The typical forces on a object moving with constant velocity
What is force of gravity and normal force.
400
The easy formula for calculating displacement for an object moving with constant velocity.
What is length times width of the rectangle produced under the plotted line on a velocity vs. time graph.
400
The independent variable in the graph
What is time?
400
If a 10 kg cart is moving with 12 m/s2 what is the force applied?
What is 120N?
500
A constantly applied force without friction opposing it will result in what type of motion?
What is acceleration?
500
The forces on an object when being pushed, but moving with constant velocity.
What are gravitational, normal, physical, and frictional forces?
500
The easiest formula for calculating displacement of an accelerating object if you have velocity change and time.
What is the area of a triangle formula?
500
The slope of this graph 
What is $10 per hour?
500
If a speeding 20 kg car applies 20 N of force the ground by its tires, and the frictional force is 10 N, what is the acceleration?
0.5 m/s2