Force and Motion Notes 2

Front

How can you change velocity?

Back

Forces are needed to alter the speed or direction of an object.

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NGSS.MS-PS2-2

NGSS.MS-PS2-5

Front

Combining forces

Back

Combining forces involves adding or subtracting their magnitudes based on direction.

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NGSS.MS-PS2-2

Front

Balanced Forces

Back

Forces that are equal in size but opposite in direction, resulting in no acceleration.

Front

Net Force

Back

Subtract magnitudes when forces act in opposite directions and add when they act in the same direction.

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NGSS.MS-PS2-2

Front

Momentum

Back

Force determined by mass and velocity

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NGSS.MS-PS3-1

Front

Friction

Back

A force that opposes motion between two surfaces that are touching.

Front

Example of Fluid Friction

Back

A boat moving across water.

Front

Types of Friction

Back

Sliding, Rolling, Fluid, Static.

Front

Sliding Friction Example

Back

Sandpaper against a wood block.

Front

Weight Formula

Back

Weight (N) = gravity (9.8 m/s2) x mass (KG)

Tags

NGSS.MS-PS2-2