
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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1.
Write the equation for the Force of gravity (weight) on the surface of the earth.
2. What is the value of little g in the equation above?
3. Calculate the force of gravity of a 20 kg mass on Mars.
Radius of Mars
ctrl
3.40 x 10 m
Mass of Mars
6.43 x 1023 kg
4. Calculate the force between 2 asteroids. They are 1000 meters apart, one has a mass of 1,000,000 kg
and the other has 10,000,000 kg.
5.
The gravitational force between 2 masses is 100 newtons. What is the force if I double the mass of on
of the objects?
6.
The gravitational force between 2 masses is 100 newtons. What is the force if I double the distance
between the masses?
7. T/F The mass of an object can change if I measure it on a different planet.
8.
T/F My weight would be slightly less if I climbed to the top of the highest mountain.
9. Draw a free body diagram (force diagram) of an object suspended from a string.
10. Calculate the tension force on string A in the diagram below. Assume a frictionless surface.
15kg 60N
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