Universal Law of Gravitation

Two objects are attracted to each other by a gravitational force F. if the distance between the objects is doubled, what is the strength of the new force in terms of F? 

• 2F
• 9 F
• 1/2 F
• 1/4 F

Tags

NGSS.HS-PS2-4

Which one of the following statements concerning the two “gravitational constants” G, the universal constant,  and g the magnitude of the acceleration due to the gravity is true?

• The value of G and g depend on location
• The value of g is the same everywhere, but the value of G is not. 
• The value for G is the same everywhere, but the value of g is not. 
• The value of G and g are equal. 

Tags

NGSS.HS-PS2-4

The gravitational force is: 

• A mutual force created by tension
• A mutual force that exists due to the charge of an object.
• A mutual force that exists due to the mass of an object. 
• A normal force. 

Tags

NGSS.HS-PS2-4

What type of interaction is a gravitational force? 

• Attractive
• Repulsive
• Attractive and repulsive
• No interaction exists. 

Tags

NGSS.HS-PS2-4

What are the standard units for the strength of the gravitational interaction? 

• N
• s
• m/s/s
• J

Tags

NGSS.HS-PS2-4

In the earth-moon system the moon orbits the earth. What is the "centripetal" force causing the moon to stay in orbit around the earth? 

• Tension
• Friction
• Normal 
• Gravity 

Tags

NGSS.HS-PS2-4

The discovery of the "Universal Gravitation" is associated with: 

• Robert Hook
• Albert Einstein
• Isaac Newton
• James Joule

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NGSS.HS-PS2-4

An apple is hangs on a tree on the earth, Which of the following statements is correct about the interaction between the apple and the earth? 

• The force on the apple is greater that the force on the Earth.
• The force on the apple is equal to the force on the earth
• The force on the Earth is larger than the force on the apple.
• The forces on the apple and the earth are zero because they are not touching each other. 

Tags

NGSS.HS-PS2-4

NGSS.HS-PS2-1

Two objects are attracted to one another by a strength of force F. If one mass doubles and the other is tripled, what is the new gravitational force between the objects in terms
 of F? 

• 4F
• 6F
• 1/9 F
• 1/6 F

Tags

NGSS.HS-PS2-4