Forces Review

This is the unit used to measure force.

• Einstein (E)

• Copernicus (C)

• Darwin (D)

• Newton (N)

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a push or pull that can change the position or motion of an object / material

• Friction

• Force

• Gravity

• Magnetism

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a force that pulls objects toward each other

• Friction

• Force

• Gravity

• Magnetism

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a force that acts in an opposite direction to movement

• Friction

• Force

• Gravity

• Magnetism

What is a contact force?

• A force that can act on an object without touching it

• A force that arises when two objects are in physical contact with each other

• A force that pulls objects towards each other

• A force that happens when two surfaces rub against each other

Which force keeps a paraglider in the air?

• Gravity

• Friction

• Air resistance

• Tension

Which force keeps a ball hanging from a string?

• Gravity force

• Friction force

• Air resistance force

• Tension force

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Which force keeps a ball floating in water?

• Gravity force

• Friction force

• Buoyant force

• Tension force

What force acts between two objects that have an electric charge?

• Gravitational force

• Frictional force

• Electrostatic force

• Tensile force

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What are 3 types of noncontact forces?

• Friction, gravity, magnetism

• Magnetism, gravity, tension

• Magnetism, friction, tension

• Magnetism, electrostatic, gravity

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