Forces and Friction

A push or a pull that can change an objects velocity.

• Thrust

• Gravity

• Force

• Friction

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The force that pulls all objects on Earth towards the center of Earth

• Friction

• Gravity

• Air resistance

• Push

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A force that opposes (goes against) the motion of any two objects that touch.

• Friction

• Gravity

• Thermal Energy

• Potential energy

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The change of position

• Friction

• Accceleration

• Motion

• Velocity

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If two people were pushing on a box in OPPOSITE directions with EQUAL forces, the box would...

• Move the right

• Move to the left

• Not move

• Keep moving back and forth

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When drawing force ARROWS in a diagram, a SMALL force would be represented by a ____ arrow.

• Small

• Large

• Long

• Wide

As objects move through the air, the air rubs on them and slows them down.

• Velocity

• 
  Gravity

• Friction

• Air resistance

Speed in a certain direction

• Motion

• Velocity

• Force

• Friction

A change to an object's speed or direction over time.

• Speed

• Acceleration

• Velocity

• Force

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Magnetism, friction, gravity, and tension are all examples of

• Forces

• Air resistance

• Velocity

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