# Relationship Between Gravity & the Mass of the Planets or Stars?

The more massive a planet or star is, the stronger the gravitational force it exerts. It is this force that allows a planet or star to hold other objects in their orbit. This is summed up in Isaac ... Read More »
http://www.ehow.com/info_8487902_relationship-gravity-mass-planets-stars.html

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## How to Calculate Weight from Mass?

Have you ever wondered why things weigh less on the moon than they do here on Earth, or how much you would weigh if you decided to go walking on the sun? Presumably you have the same mass here as y... Read More »
http://www.wikihow.com/Calculate-Weight-from-Mass

## How to Calculate Mass & Weight?

In everyday life, people tend to think of weight in terms of how heavy something feels. In physics, however, weight has a more specific meaning. It refers to the amount of force gravity exerts upon... Read More »
http://www.ehow.com/how_6399639_calculate-mass-weight.html

## How to Teach the Metric System With Mass & Weight?

In the U.S. customary system of weights and measures, mass is measured in grains, ounces, pounds and hundredweights. Most other countries use the metric system, whereby mass is measured in grams. T... Read More »
http://www.ehow.com/how_6460820_teach-metric-system-mass-weight.html

## How much weight is enough to lift in order to gain muscle mass?

you need atleast 15kg dumbells because you need to be pushing yourself and if you use a barbell at 30 you will want half of it on each arm or increase both plus after a workout eat protein or have ... Read More »

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