How long an object takes to move a distance in a certain direction
Normal Force
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The amount of matter in an object
Weight
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Measure of the force of gravity on something
Friction
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Present when an object is against a surface
Acceleration
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Attractive force that pulls objects together
Mass
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A force that always opposes motion
Speed
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How long an object takes to move a certain distance
Required
1 point
1
Question 2
2.
Newton's 2nd Law states that Force= ___________________
Required
1 point
1
Question 3
3.
What is the Speed of the student during section D?
Required
6 points
6
Question 4
4.
Match the graph to the correct description of motion
Draggable item
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Corresponding Item
C
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No movement
B
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Moving away at a constant, fast speed
F
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Moving back towards you at a constant speed
E
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Acceleration from slow to fast
A
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Acceleration from fast to slow
D
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Moving away at a constant, slow speed
Required
2 points
2
Question 5
5.
A knee collides with someone's crotch (They deserved it). If the knee has a mass of 25kg and accelerated into the the other person's crotch at 8 m/s2, the magnitude of the force applied to their crotch is __________ What is the strength of the force the crotch exerts on the knee? __________
Required
1 point
1
Question 6
6.
Which of the following best describes how the bus moves over time?
Required
1 point
1
Question 7
7.
The diagram below shows an 80 kg ice skater applying a force of 10 N to a 60 kg ice skater.
Which statement best describes the results of applying the 10 N force?
Required
1 point
1
Question 8
8.
What is the net force on the object?
Required
1 point
1
Question 9
9.
A car moves at a constant velocity for 4 s. A student records data on the car’s motion, as shown in the table below, but the student forgets to label the second column of the table.
Time | ?
1 30
2 60
3 90
4 120
Required
1 point
1
Question 10
10.
Which of the following can be concluded from the data in the graph?
Required
1 point
1
Question 11
11.
What is the net force on the rope?
Required
1 point
1
Question 12
12.
If it takes a force of 96 N to accelerate a cantaloupe at 32 m/s2, what is the mass of the cantaloupe?
Choose ONLY 2 of the following Free Response Questions to answer!
Each one is worth 5 points
5 points
5
Question 13
13.
The graph below represents a seal that was flung into the air by the tail of a killer whale
Determine the average speed of the object for the time interval 0–2 s. Show your calculations and include units in your answer.
Describe how the speed of the object is changing as it passes through pointS. Explain your answer.
Identify the point (S, T, or U) at which the velocity of the object is equal to zero. Explain your answer.
Determine the total distance moved and how far the seal is from where it started for the time interval 0–4 s. Explain your answer.
5 points
5
Question 14
14.
Describe ALL 3 of Newton's Laws of Motion that we have covered in class so far and include an example of when each could be demonstrated/observed in real-life.
Please separate your answer into paragraphs or number each explanation
5 points
5
Question 15
15.
A car is stopped at a highway entrance ramp. The car accelerates along a straight line, reaching 28 m/s in 5.6 s.
What is the average acceleration of the car during the 5.6 s? Show your calculations and include units in your answer.
How far does the car travel in the 5.6 s? Show your calculations and include units in your answer.
use the equation:
3. Traveling in a straight line, the car slows down from 28 m/s, taking 3.5 s to come to a stop. What is the car’s average acceleration during the 3.5 s? Show your calculations and include units in your answer.
4. How far does the car travel during the 3.5 s it takes to stop? Show your calculations and include units in your answer.