Types of Force

Are forces applied when the objects involved are in direct contact.

• Contact forces

• Normal forces

• action-at-a-distance forces

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When a body moves another.

• Normal force

• Friction

• Elastic

• Pushing or pulling

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Force with which objects tend to return to its original state after being stretched or compressed by an external force.

• Push or pull

• Tension

• Elasticity

• Friction

Is the force usually exerted by a surface on an object that is resisting against it.

• Friction

• Normal force

• Elasticity

• Tension

Select all the types of forces that we have discussed in class as we have been studying force and motion:​ ​ ​ ​ (a)   ​ (b)   ​ (c)   ​ (d)   ​

• gravity

• applied/external forces

• air resistance

• friction

• mechanical

• electriciy

• magnetism

• supernatural

• invisible

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This picture is an example of what type of force?

• Gravitational

• Friciton

• Electric

• Magnetic

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Which force is shown in the picture? (look at he brakes being used on the roller blades)

• push

• pull

• gravity

• friction

What does letter A represent

• object providing force

• object receiving force

• gravity

• friction

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Friction can be described as a:

• non-contact force

• contact force

• slowing of motion

• rough surface

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The girls in this picture represent ________ forces. 

• kinetic

• balanced

• unbalanced

• chemical