Unit 2--Lessons 1 & 2: Forces & Motion

What is motion?

• the process of giving directions

• the process of changing position

• the difference between initial and final position

• the speed and direction of a moving object

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A push or a pull.

• work

• force

• motion

• energy

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Starting point you choose to describe the location (or position) of an object.

• Reference Point

• Relative Motion

• Acceleration

• Dimension

Change of position over time, an objects distance and direction from a reference point.

• Speed

• Acceleration

• Motion

• Relative Motion

A force that resists motion when 2 surfaces rub together.

• Friction

• Gravity

• Force

• Balanced force

What units is Force measured in?

• Grams

• Miles

• Hours

• Newtons

The overall speed of an object during the entire course of a trip

• Velocity

• Average speed

• Acceleration

• Gravity

Based on this diagram, in which direction will the box move?

• To the left

• To the right

• It will not move

• It moves both ways

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NGSS.MS-PS2-1

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What will the net force on the soccer ball be?

• 50 N to the left

• 50 N to the right

• 200 N to the left

• 200 N to the right

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NGSS.MS-PS2-1

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Overall force acting on an object when all of the forces on it are combined.

• Balanced force

• Contact force

• Net force

• Force

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