Exit Check 2.4 - 2nd Law Graphs
Authored by Scott Ness
Physics
9th Grade
HS-PS2-A-1 covered
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.1
Assume that all objects are affected by the same net force. Which object has the largest mass?
Answer explanation
These questions are similar to your Unit 1 practice, with two key differences.
First, check the dependent variable to know how to read the graph or table.
If the dependent variable is displacement then acceleration is shown by a curved line or changing values in uneven steps.
If the dependent variable is velocity then any change at all means acceleration.
If you have identified an acceleration you have also identified evidence of a net force because net force causes acceleration.
Tags
HS-PS2-A-1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.1
During which of the following intervals is the object experiencing an unbalanced net force
For the entire time from point A to Point B
For the entire time from point B to Point C
For the entire time from point C to Point D
For the entire time from point D to Point E
Answer explanation
These questions are similar to your Unit 1 practice, with two key differences.
First, check the dependent variable to know how to read the graph or table.
If the dependent variable is displacement then acceleration is shown by a curved line or changing values in uneven steps.
If the dependent variable is velocity then any change at all means acceleration.
If you have identified an acceleration you have also identified evidence of a net force because net force causes acceleration.
Tags
HS-PS2-A-1
3.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
2.4.1
The table shows the speed of each car recorded at each second. Which car(s) are experiencing no net force for the entire 4 seconds?
A
B
C
D
Answer explanation
These questions are similar to your Unit 1 practice, with two key differences.
First, check the dependent variable to know how to read the graph or table.
If the dependent variable is displacement then acceleration is shown by a curved line or changing values in uneven steps.
If the dependent variable is velocity then any change at all means acceleration.
If you have identified an acceleration you have also identified evidence of a net force because net force causes acceleration.
Tags
HS-PS2-A-1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.1
During which intervals is the object not experiencing a net force (or is experiencing a net force of zero)?
A to B, D to E and G to H
B to C, D to E, and F to G
C to D, E to F and G to H
There is no point on the graph where the net force is balanced.
Answer explanation
These questions are similar to your Unit 1 practice, with two key differences.
First, check the dependent variable to know how to read the graph or table.
If the dependent variable is displacement then acceleration is shown by a curved line or changing values in uneven steps.
If the dependent variable is velocity then any change at all means acceleration.
If you have identified an acceleration you have also identified evidence of a net force because net force causes acceleration.
Tags
HS-PS2-A-1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.2
A student is investigating acceleration using balls with different masses. The student pushes each ball on a flat surface and records its acceleration. The table shows his observations.
The students then predicted the acceleration of a ball with 10kg of mass. Which of the following predictions includes good reasoning based on the data provided?
A ball with a mass of 10 kilograms will have an acceleration of because that is the largest acceleration recorded.
A ball with a mass of 10 kilograms will have an acceleration of because that is the double the acceleration of the 20kg ball and this ball has half of that mass.
A ball with a mass of 10 kilograms will have an acceleration of because that is the half the acceleration of an object with 20kg of mass and 10 is half of 20.
The student did not record a ball with 10kg of mass so it is impossible to predict if one will roll or have an acceleration at all.
Answer explanation
Start by using the data to figure out which object has a larger acceleration. Then apply your proportionality rules:
If mass is the same, more acceleration means a larger net force.
If net force is the same, more acceleration means a smaller mass.
Use your notes and the relationship to guide your reasoning.
Tags
HS-PS2-A-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.2
The graph shows the velocity versus time for 4 different cars on a race track. If all four cars have the same mass, which one experiences the largest net force?
A
B
C
D
Answer explanation
Start by using the data to figure out which object has a larger acceleration. Then apply your proportionality rules:
If mass is the same, more acceleration means a larger net force.
If net force is the same, more acceleration means a smaller mass.
Use your notes and the relationship to guide your reasoning.
Tags
HS-PS2-A-1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.4.2
The graph shows the velocity versus time for 4 different cars on a race track. If cars B, C, and D all experience the same net force, which car has the most mass?
B
C
D
Answer explanation
Start by using the data to figure out which object has a larger acceleration. Then apply your proportionality rules:
If mass is the same, more acceleration means a larger net force.
If net force is the same, more acceleration means a smaller mass.
Use your notes and the relationship to guide your reasoning.
Tags
HS-PS2-A-1
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