Combining Forces

A contact force is from

• objects physically touching

• far apart objects

• not touching object

• always a pull

Friction is a

• Contact Force

• Myth

• Non-contact Force

A non-contact force is between

• two objects that aren't touching

• two objects that are touching

• the ground and wheels

• you and me

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Gravity is a

• Contact Force

• Myth

• Non-contact Force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Air Resistance Force

• Contact Force

• Non-Contact Force

Name two quantities that are vectors.

• force and speed
• speed and acceleration
• force and acceleration
• mass and weight

What is the resultant force?

• 400 N, Up

• 400 N, Down

• 800 N, Up

• 800 N, Down

Tags

NGSS.MS-PS2-2

What is the resultant force?

• 17 N, Left

• 6N, Right

• 11N , Left

• 12N, Left

Tags

NGSS.MS-PS2-2

How will this object move?

• It will move to the left

• It will accelerate to the right.

• It will move to the right.

• It will accelerate to the left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Calculate the resultant force acting on the truck.

• 15 N to the right

• 15 N to the left

• 35 N to the right

• 35 N to the left

Tags

NGSS.MS-PS2-2