Motion & Forces

Why does a person continue to fly forward in a car after a crash?

• the person is not moving until the car stops

• the person jumps out of the car

• the person has more force than the wall

• the person is still in motion

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Inertia is...

• an objects ability to change direction

• an objects ability to move

• forces depend on the mass and weight of the object

• an objects tendency to resist change in motion

What is a force?

• something Darth Vadar has

• a push or a pull

• something you can see

Tags

NGSS.MS-PS2-2

Force is measured in...

• lbs

• m/s2

• grams

• newtons

To calculate forces that are in the same direction you..

• subtract them

• add them

• multiply them

• divide them

Tags

NGSS.MS-PS2-2

To calculate forces that are in opposite directions you...

• add them

• subtract them

• multiply them

• divide them

Tags

NGSS.MS-PS2-2

The unbalanced force that opposes motion is known as...

• friction

• force

• push or pull

• the tires on a car

Forces that are considered to be in motion are called...

• friction

• unbalanced forces

• balanced forces

Tags

NGSS.MS-PS2-2

If two cars move toward each other at the same speed which car will have more force?

• A larger car because of its mass

• A smaller car because of its mass

• A larger car because of its speed

• A smaller car because of its speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Does mass or speed have a larger impact on moving objects?

• Mass

• Speed

Tags

NGSS.MS-PS3-1