Types of Forces

What is a contact force?

• A force that can act on an object without touching it

• A force that arises when two objects are in physical contact with each other

• A force that pulls objects towards each other

• A force that happens when two surfaces rub against each other

Which force resists motion when two surfaces are in contact?

• Friction force

• Tension force

• Applied force

• Normal force

What force opposes the motion of a paraglider?

• Gravity

• Friction

• Air resistance

• Tension

What force does a person's hand exert on a box when pushing it to the right?

• Gravity force

• Friction force

• Air resistance force

• Applied force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

These forces are _____________________.

• balanced

• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What type of force is this?

• magnet

• gravity

• friction

Tags

NGSS.MS-PS2-4

What force is F1 (downward force)

• Friction force

• Gravitational Force

• Normal Force

• Applied force

Tags

NGSS.MS-PS2-4

Friction acts in a direction __________ to the direction of the object’s motion.   

• Side By Side
• Parallel Directions
•  Opposite
• The Same Direction

Name the missing force...

• frictional force
• weight force
• thrust
• buoyant force

Tags

NGSS.MS-PS2-1

Name the missing force....

• weight force
• normal force
• frictional force
• tension force