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PHYS 165: Physics Module 1 exam
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PHYS 165: Physics-PHYS 165: Physics Module 1 exam
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Module 1 Problem SetQuestion 1
Science is the search for relationships that ________ and ________ natural phenomena.
Your Answer: explain and predict
Answer: Explain, Predict (any order)
Question 2
What is science applied to meet society’s needs and goals? [answer1]
Correct Answers: Technology
Question 3
What is an acceptance that a statement is true, even without any evidence to support that statement?
Answer: A Belief
Question 4
Physics is concerned with describing the interactions of ____, _____, _____, and _____.
Your Answer:
dynamics, energy, electricity, waves, and many more
Answer: energy, matter, space, and time (any order)
Question 5
Match the statement in the left column to the term in the right column that BEST matches the statement. Each
term on the right side may be used once, more than once or not at all.
Correct!
The chair will support me when I sit on it because it looks strong.
Belief
Using the principle of cushioning we can make a more comfortable chair.
Technology
t!
Using the principle of tensile strength, we can show people how the chair supports someone when he or she
sits on it.
Science
rect!
Using the equations for kinematics we can determine that when we drop the chair it will start with an
acceleration of 9.8 m/s2.
Science
Question 6
What is a systematic process to find the solution to a problem? [answer1]
Correct Answers: Scientific method
Question 7
There are two kinds of basic proportionalities in science. From the list below, select the name of these two
types of scientific proportionalities.ect!
Direct proportion Inverse proportion
Question 8
What are the six steps of Karl Pearson's scientific method?
Your Answer:
The scientific method of Karl Pearson's are:
1. identify the problem
2. gather information
3. form a hypothesis
4. expand the hypothesis
5. test the hypothesis
6. accept, reject or modify the hypothesis
This study source was downloaded by 100000836551366 from CourseHero.com on 02-16-2022 09:39:44 GMT -06:00
https://www.coursehero.com/file/102384460/Physics-Module-1-Problem-Setdocx/
, Question 9
In an experiment, you show that as you increase the force acting on an object, the acceleration of the object
also increases. This is an example of which kind of proportion?rrect!
Direct proportion
Question 10
As you increase the pressure on a gas, the volume of this gas decreases. This is what kind of proportion?
Inverse proportion
Question 11
A good hypothesis is both _________ and ________.
Answer: plausible, testable – either order
Question 12
In an experiment, you drop a ball and time how long it takes for it to fall to the ground. You then drop the ball
again from a higher height and time it again. You continue this pattern for several more trials, each time you
keep increasing the height and timing how long it takes to fall. In every trial, you use the same ball. For this
experiment, match up the measurement in the left column to the type of variable it is from the list in the right
column.Answered
Height of drop: Independent variable
Mass of ball: Controlled variable
Time of fall: Dependent variable
Question 13
What is defined as prejudice in favor of or against one thing, person, or group compared with another, usually
in a way considered to be unfair? [answer1]
Correct Answers: Bias
Question 14
During an experiment, the mass of a cart is increased and the acceleration of it is measured, while all other
variables remain constant. Below are the data. According to these data, what relationship exists between mass
and acceleration? Also, explain how the data indicate this relationship.
Acceleration
Trial Mass (kg)
(m/s2)
1 0.100 2.00
2 0.200 1.75
3 0.300 1.50
4 0.400 1.25
5 0.500 1.00
Your Answer:
Inverse proportion – As the mass is increased, the acceleration decreases
Question 15
During an experiment, the force exerted on a cart is increased and the acceleration of it is measured, while all
other variables remain constant. Below are the data. According to these data, what relationship exists between
force and acceleration? Also, explain how the data indicate this relationship.
Trial Force (N) Acceleration (m/s2)
1 250 1.50
2 350 1.75
3 450 2.25
4 550 3.00
This study source was downloaded by 100000836551366 from CourseHero.com on 02-16-2022 09:39:44 GMT -06:00
https://www.coursehero.com/file/102384460/Physics-Module-1-Problem-Setdocx/
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