Net Force and Motion Graphs

Roosevelt High School
CP Physical Science
Unit 9 Net Force and Motion Graphs
Name_____________________
Period___ Date____/____/___
Relating Fnet to Position-Time Graphs and Velocity-Time Graphs
velocity
position
Rest
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velocity
velocity
Decreasing Speed, Negative Direction
velocity
!
velocity
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Increasing Speed, Negative Direction
position
Decreasing Speed, Positive Direction
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Constant Speed, Negative Direction
position
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velocity
position
Increasing Speed, Positive Direction
position
!
position
!
velocity
position
Constant Speed, Positive Direction
In order to construct a graph for a motion scenario, we need to define the positive direction.
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For the rest of this unit, up is the positive direction for the vertical component.
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For the rest of this unit, right is the positive direction for the horizontal component.
Roosevelt High School
CP Physical Science
Unit 9 Net Force and Motion Graphs
Name_____________________
Period___ Date____/____/___
For each of the following, construct a system schema, free body diagram, position vs time graph,
and velocity vs time graph.
velocity
position
1. A disco ball hangs on a cord from the ceiling.
velocity
position
2. The cord in number one breaks. Analyze the disco ball after it breaks.
velocity
position
3. A car heading left at a constant speed slams on the breaks when a basketball rolls out into the street.
position
velocity
position
velocity
4. A hot air balloon is tethered to the ground as the owner prepares for take off.
5. The hot air balloon is released and begins its ascent.