The Forces in Creation Part 1

Which is the weakest of the fundamental forces?

• The strong force

• The weak force

• The gravitational force

• The electromagnetic force

A student drops a basket ball, and it begins to fall due to the force of gravity that the earth exerts on it. What is the equal and opposite force demanded by Newton's Third Law of Motion?

• The student's force of holding the ball

• The ball exerts an equal and opposite force of attraction on the earth.

• The force of the air pushing on the earth and the ball

• The force of gravity

The gravitational force between two objects (mass 1 = 10 kg, mass 2 = 3 kg) is measured when the objects are 5 centimeters apart. If the 10-kg mass is replaced with a 20-kg mass and the 3-kg mass is replaced with 12-kg mass, how does the new gravitational attraction compare to the first one that was measured?

• It remains the same. The change in mass has no effect on the gravitational force.

• It doesn't change since the factors that changed the gravitational force cancelled each other out.

• It increases by a factor of 2

• It increases by a factor of 4

• It increases by a factor of 8

The gravitational force between two objects (mass 1 = 5 kg, mass 2 = 6 kg) is measured when the objects are 5 centimeters apart. If the 5-kg mass is replaced with a 20-kg mass and the 6-kg mass is replaced with 18-kg mass, how does the new gravitational attraction compare to the first one that was measured?

• It remains the same. The change in mass has no effect on the gravitational force.

• It doesn't change since the factors that changed the gravitational force cancelled each other out.

• It increases by a factor of 4

• It increases by a factor of 8

• It increases by a factor of 12

The gravitational force between two objects (mass1 = 10 kg, mass2 = 12 kg) is measured when the objects are 8 centimeters apart. If the distance between them is increased to 24 centimeters, how does the new gravitational force of attraction compare to the first one that was measured?

• It doesn't change since distance has no effect on the gravitational force.

• It remains the same since the factors that change the gravitational force were canceled out.

• It increased by a factor of 3

• It decreased by a factor of 3

• It decreased by a factor of 9

The gravitational force between two objects (mass1 = 10 kg, mass2 = 12 kg) is measured when the objects are 25 centimeters apart. If the distance between them is decreased to 5 centimeters, how does the new gravitational force of attraction compare to the first one that was measured?

• It doesn't change since distance has no effect on the gravitational force.

• It remains the same since the factors that change the gravitational force were canceled out.

• It increased by a factor of 25

• It decreased by a factor of 5

• It decreased by a factor of 25

Two moons orbit two different planets, but they orbit their planets at the same distance. If the first one takes 4 months to make an orbit and the second takes 10 months, which is being subjected to the greatest gravitational attraction?

• The first one

• The second one

• They both experience the same gravitational force since the sun is affecting both of them

• Neither, it is centripetal force that is causing them to move the way they do.

• None of the above.

List the outer plants. (Use this format: Planet 1, Planet 2, etc.)

(a)  

List the inner planets. (Use the following format: Planet 1, Planet 2, etc.)

(a)  

Which planet in the solar system receives the least amount of insolation?

• All of them have the same amount of the pink stuff

• Mercury

• Earth

• Uranus

• Neptune