Characteristics of Fields Quiz

What is a characteristic of a contact force?

• It can be applied in more than one direction at one time.

• It can only be exerted in one direction at one time.

• It does not require physical contact.

• It can be exerted in multiple directions simultaneously.

When do contact forces come into play?

• When there is no physical contact between objects

• When there is physical contact between objects

• Only in natural environments

• Only in artificial environments

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Can contact forces be natural forces?

• Yes, they can only be natural

• No, they cannot be natural

• Yes, they can be or cannot be natural

• No, they are always artificial

Which of the following is not a non-contact force?

• Electrostatic Force

• Frictional Force

• Gravitational Force

• Magnetic Force

What do uniformly spaced field lines indicate?

• A variable gravitational field

• A uniform gravitational field

• A magnetic field

• An electric field

What type of force acts on an object in a magnetic field if the object contains iron?

• Gravitational force

• Electric force

• Magnetic force

• Nuclear force

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According to the text, what is the relationship between distance from a field's source and the force on an object?

• The closer the object, the weaker the force

• The farther the object, the weaker the force

• The distance does not affect the force

• The force is strongest at a medium distance

What is the strength of the magnetic force at a distance of 1.00 m from the magnet?

• 25.0 N

• 11.1 N

• 100.0 N

• 6.3 N

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What is the strength of the magnetic force at a distance of 3.00 m from the magnet?

• 6.3 N

• 4.0 N

• 11.1 N

• 25.0 N

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What is the main reason different fields require different models?

• They are all the same

• They have different features

• They are all attractive

• They are all repulsive

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