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Feedback Blog

Each day readers send in questions and feedback concerning the various lessons in the School for Champions website. A total of 15062 letters have been answered.



List of most recent 15 letters

Title

Subject

Section

Country

What type of lever is a bicycle handlebar? Machines India
 
I want to get good grades in school Grades Kenya
 
How can I stop trembling and shaking when giving a speech? Speaking USA
 
What is mechnical designing? Physics Basics USA
 
Time slowed when daughter passed away Senses USA
 
How is gravity related to mass? Gravity India
 
Wants online lessons from science Physics Matter Zambia
 
Please send me study materials Physics India
 
What is the principle behind celestial mechanics Physics Nigeria
 
Wants information on Servus Ware cookware Health USA
 
Suggested resources Physics Matter USA
 
Minimum capital needed to start up a business Business Zambia
 
Find Q Experiments Nigeria
 
Is the weight at low altitudes less than at high? Physics Gravity Nepal
 
Why aren't tides formed in lakes? Physics Gravity Nepal
 

Next 15 letters


What type of lever is a bicycle handlebar?

Machines

July 5, 2015

Question

What type of lever is bicycle handle bar

Shantanu - India (26153)

Answer

While a standard lever pivots about a stationary fulcrum, a bicycle handlebar is used to turn or rotate the fulcrum. This is similar to the use of a screwdriver.

Instead of calling it a lever, handlebars could be classified as a tool to create a torque on the steering shaft.

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I want to get good grades in school

Grades

July 4, 2015

Question

I h've poor time planning.
I am avarage at school but I dont work hard.
I learn a secondary school in Kenya. There are stiff competition in our school. I want to score well from now on. Plz would you help me the tips of reading books?

Abdikafi - Kenya (26152)

Answer

A big problem many students have is that there are so many distractions around them, such that they never concentrate on their schoolwork.

It is good to set aside a specific time to do your schoolwork or homework, not allowing any distractions. In fact, you can set aside a certain amount of time for each subject matter or assignment. Then make sure you finish the assignment within that time period.

It is good to write down your schedule, so that you will then follow it. This is a good time management method.

Also, write down the grades you would like to get in each class and put that list somewhere where it will remind you of your goals every day.

Taking notes in class is a good way to keep up with the competition. It also helps you study for your exams.

You have good goals and the potential to excel. Look over the lessons on Getting Good Grades for ideas to improve.

Best wishes for success in school.

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How can I stop trembling and shaking when giving a speech?

Speaking

July 2, 2015

Question

So thankful for the information how can one do away with trembling sweating shaking heavy breathing when called up to give a speech?

carol - USA (26144)

Answer

If it is a prepared speech, you should have practiced it before friends or family several times. This should give you confidence to reduce your nervousness.

A good way to get started is to initially aim your speech at a friend in the audience. Start by looking at that person and ignoring the rest of the audience. After a few sentences, you can be relaxed enough to speak to the group in general.

Note that usually, the audience cannot tell if you are trembling or breathing heavily. Your feeling is just multiplied more that others see it.

Remember to practice, practice, practice. And best wishes for success in your public speaking.

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What is mechnical designing?

Physics

July 2, 2015

Question

Mechanical designing

nadir - USA (26148)

Answer

Mechanical designing is one part of Mechanical Engineering, which is one of the largest, broadest, and oldest engineering disciplines.

Mechanical engineers design and manufacture machines and devices of all types. They also create the processes and systems used in technology and industry.

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Time slowed when daughter passed away

Senses

June 24, 2015

Question

I am an attorney and I was in a trial and cross examining a witness and all of a sudden the whole scene was proceeding in slow motion. Later I asked my associate if he had noticed anything and he said no. Later that night I learned my 24 year old daughter passed away suddenly and tragically. I believe it was when she died her soul passed through me and slowed everything down in my world. Never happened before or since. That was on May 8 2012 at approximately 2:00 to 2:30 in the afternoon. I had no knowledge until later if a reason for me to experience the slowing down of time. Have you heard this from anyone else in losing someone close to them without warning and this happening only to find out later their loved one passed? Thank you,

Jill - USA (26117)

Answer

I am sorry to hear about your daughter passing away.

Certainly many people seem to be able to sense events that will happen in the near future or have just happened. This is especially true when something tragic or bad happens. Usually, they just get a "feeling" that some will happen or just happened.

I haven't heard of others sensing time slowing down on such occasions, but it certainly is possible. Perhaps they just didn't notice it. The fact that your were in an intense cross examination may have made you more sensitive to such things.

The idea of your daughter's spirit or soul passing through you or somehow communicating with you is interesting and pretty much unknown. If it did happen, it might be comforting to you.

I hope these thoughts help.

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How is gravity related to mass?

Gravity

June 24, 2015

Question

gravity occurs due to the mass of an object. how it related to mass?

vaishnavi - India (26118)

Answer

A property of matter is that it attracts other objects of matter through a gravitational field. The force of gravity on Earth equals the mass of an object times the acceleration due to gravity "g".

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Wants online lessons from science

Physics

June 23, 2015

Question

is it possible for me to be having some online lessons from science

Benjamin - Zambia (26109)

Answer

See the index at Succeed in Understanding Physical Science to access many online lessons and quizzes on the various subjects.

Best wishes for success in your studies.

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Please send me study materials

Physics

June 22, 2015

Question

Please send me study materials of class6 to 10 on science subjects and various topic related to science. . Plz...thanku

RONAN - India (26106)

Answer

I am sorry but we do not have material divided into various grades or classes.

However, you can go through our free lessons listed in the Physical Science index to help you in your classwork.

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What is the principle behind celestial mechanics

Physics

June 22, 2015

Question

Please what is the principle behind celestial mechanics.

Akan - Nigeria (26107)

Answer

Mechanics in an area in Physics that concerns the motion and forces on objects.

Celestial mechanics is an area of Astronomy that concerns the motion of stars, planets, and other objects in space.

A main feature of celestial objects is that many travel in orbits, due to gravitational forces. Also, the object may be quite large.

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Wants information on Servus Ware cookware

Health

June 22, 2015

Question

I have a wonderful set of Servus Ware Tri Ply 18-8 cookware from the late 1905s or 1960s. Do you have any information on this company or who owns them now? Thank you so much for helping me, if you can. Gina

Gina - USA (26108)

Answer

The 1960s goes way back. The only thing I've seen on Servus Ware is on eBay at SERVUS WARE 18-8 STAINLESS STEEL Cookware. The person has info on the set and seems willing to answer questions.

I hope that helps.

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Suggested resources

Physics

June 21, 2015

Question

Hi

I wanted to reach out to share some educational pages that help students understand the science behind how heavy objects stay afloat in the water. I’ve collated a number of text and visual resources that explain how the concepts of buoyancy and equilibrium work.

Please take a look here >
http://www.science-niblets.org/physics/why-can-heavy-steel-ships-float.html
http://www.bolsovercruiseclub.com/cruise-infographics/why-do-ships-float/#.VW2wWGakd4q
http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy.html

I see that you have shared similar information and so I wondered if you would consider citing these resources on this page? http://www.school-for-champions.com/science/fluid_floating.htm
I would like to thank you for your time and consideration and if I have reached you in error, please accept my apologies.

Kind regards

Georgia - USA (26104)

Answer

Thanks for the resources. I added them to the How Objects Float in Fluids page.

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Minimum capital needed to start up a business

Business

June 21, 2015

Question

What is the minimum capital to start up a business

DANIEL - Zambia (26105)

Answer

It depends on the type of business you want to start and how much equipment you need. It also depends on the level at which you are starting. You could start some small businesses in your home, or you might want to start at a large scale.

See Levels of Starting a Business for some ideas.

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Find Q

Experiments

June 20, 2015

Question

Find Q if R = 1m

Joshua - Nigeria (26098)

Answer

You need to state what type of experiment you are talking about, as well as to define what items such as "Q" and "R" mean.

Science is about being exact and making sure there are no misunderstandings.

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Is the weight at low altitudes less than at high?

Physics

June 20, 2015

Question

weight at low altitude is less than that of higher altitude?

jyoti - Nepal (26099)

Answer

Note that the Equivalence Principle of Gravity refers to heights relatively close to the Earth. At higher altitudes, the effect of gravity is less and the acceleration due to gravity is slightly smaller. This means that an object would weight less at higher altitudes. At very high altitudes, gravity can be so small that an object floats.

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Why aren't tides formed in lakes?

Physics

June 20, 2015

Question

tides are formed in seas not in lakes.why?

jyoti - Nepal (26101)

Answer

Tides are formed in lakes, but unless it is a very large lake the height of the tide is difficult to measure.

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