# Solve Multiple Choice Questions: Homework Statement

• gavrir
In summary, the content of the conversation is about an experiment involving a test-mass in horizontal circular motion. The direction of the test-mass acceleration is towards the center of the circle. Measurements such as the mass of the test-mass and the radius of the orbit are required to determine the magnitude of the centripetal acceleration. The net force acting on a particle in uniform circular motion is towards the center of the circle. The force that keeps the test-mass in motion is either the string attached to the mass or the weight of the hanging mass. The centripetal force can be experimentally determined from the acceleration, mass, and velocity of the test-mass. The provided link may aid in finding the correct answers.
gavrir

## Homework Statement

Hey guys i was taking some practice excercises and was wondering if someone could give me the answers to the following:

1.The following questions are about this experiment in which a test-mass moves in a horizontal circle at constant speed. What is the direction of the test-mass acceleration?

a. Downward
b. In the direction of velocity.
c. Towards the center of the circle.
d. Away from the center of the circle.
e. Upward.
f. Opposite the direction of the velocity.

2.What measurements will be made to determine the magnitude of the test-mass centripetal acceleration?
A. The test-mass mass
B. The test-mass velocity
C. The radius of the orbit
D. The weight of the hanging mass
E. The spring constant
F. The period of the orbital motion

1. B, C
2. A, D
3. C, F
4. B, E
5. A, B, D

3.A particle in uniform circular motion requires a net force acting in what direction?

a. Downward
b. Opposite the direction of the velocity.
c. Away from the center of the circle.
d. In the direction of velocity.
e. Towards the center of the circle.
f. Upward.

4. What supplies the force that keeps the test mass moving in uniform circular motion?

a. The string attached to the mass.
b. The spring that pulls on the string attached to the mass.
c. The weight of the hanging mass.
d. The string from the test-mass riser holding up the mass.
e. You -- as you keep the apparatus spinning.

5.How will the centripetal force be experimentally determined?

a. From the acceleration and mass of the test mass
b. From the weight of the hanging mass.
c. From the velocity, radius, and mass of the test mass.
d. The centripetal force is not determined in this experiment.

I think the answers for 3,4, and 5 are C,A,and B but don't know the first two.

http://hyperphysics.phy-astr.gsu.edu/HBASE/circ.html

That means that your answer for 3 is wrong as are 4 and 5. Not sure about 4 since you haven't said what the mass is attached to but I assume its being held by a string attached to a mass hanging from the centre of the circle

I cannot provide the answers to multiple choice questions as it goes against the principles of scientific inquiry and critical thinking. It is important to understand the concepts and principles behind the questions rather than just memorizing the answers. I would suggest reviewing the relevant material and attempting the questions again, or seeking help from a teacher or tutor if needed. Remember, the process of learning and understanding is more important than simply getting the correct answer.

## What is the best way to approach multiple choice questions?

The best way to approach multiple choice questions is to carefully read the question and all of the answer choices. Then, eliminate any obviously incorrect answers and use process of elimination to narrow down your choices. If you are unsure, make an educated guess and move on.

## How can I improve my performance on multiple choice questions?

To improve your performance on multiple choice questions, it is important to practice and familiarize yourself with the material. You can also use strategies such as reading the question carefully, looking for clues in the wording, and eliminating incorrect answers to increase your chances of selecting the correct answer.

## Can I use outside resources to help me answer multiple choice questions?

It is important to follow the instructions of the homework assignment. If outside resources are allowed, you may use them to help you answer the multiple choice questions. However, be sure to properly cite any information you use from outside sources.

## How much time should I spend on each multiple choice question?

The amount of time you spend on each multiple choice question will vary depending on the difficulty of the question and your level of familiarity with the material. It is important to manage your time effectively and not spend too much time on one question. If you are unsure, move on and come back to it later if you have time.

## How can I avoid common mistakes when answering multiple choice questions?

To avoid common mistakes when answering multiple choice questions, be sure to carefully read the question and all answer choices. Pay attention to keywords, such as "not" or "except", which can change the meaning of the question. Also, make sure to double check your answer before submitting it.

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