forces and motion
Momentum & Inertia
Use the Force!
Vertical forces
Formulas and units
Graphs
100
The forces acting on a marble that rolls off a table and is falling through the air.
What is the force of gravity?
100
Two factors that affect momentum
What is Mass and velocity
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
The mass of a 400 kg person on the moon.
What is 400 Kg?
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?
200
The weight of a 100 kg person on Earth.
What is 980 N
200
A 100 kg car is moving 2m/s. What is the momentum?
What is 200kg.m/s
200
How would unbalanced forces appear in a force diagram?
Various answers: One arrow longer or present on one side and not another.
200
When moving at constant velocity upward, what is the weight of a 100 kg person?
What is 980 N?
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?
300
The acceleration of a 20 kg object experiencing a force of 200 N
What is 10 m/s2
300
The final momentum and direction of two cars after impact:
One car 10 kg car is moving to the right at 2 m/s
The second 8 kg car is moving to the left at 3 m/s.
What is 4 kg m/s and to the left.
300
What is a force that pulls all objects to ground?
What is Gravity
300
The gravitational acceleration of a planet if a 300 kg person's weight is 6000N.
What is 20 m/s2 or N/kg?
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?
400
A constantly applied force without friction opposing it will result in what type of motion?
What is acceleration?
400
What is the final velocity after the impact of these two cars?
One car 10 kg car is moving to the right at 2 m/s
The second 8 kg car is moving to the left at 3 m/s.
What is 0.2 or 0.22 m/s?
400
The typical forces on a object moving with constant velocity
What is force of gravity and normal force.
400
The force that opposes gravitational force
What is Normal Force
400
A formula that shows Conservation of Momentum
m1v1 = m2v2
400
The independent variable in the graph
What is time?
500
The momentum on a 1500 kg car moving at 2 m/s2
What is 3000 kg m/s
500
How fast is a figure skating pair moving after the 50 kg skater moving at 1 m/s jumps into the arms of the 100 kg skater moving at 2 m/s
What is 1 m/s?
500
The forces on an object when being pushed, but moving with constant velocity.
What are gravitational, normal, physical, and frictional forces?
500
A 400.8 kg chandelier is supported by 5 cables from the ceiling. What weight is one cable supporting (round to a whole number)?
What is 786 N?
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?