Forces

How can forces affect objects?

• change an object's size

• changes the gravitational pull

• changes speed and direction

• all of the above

Tags

NGSS.MS-PS2-2

Magnetic force is

• a contact force

• when magnets attract

• when magnets repel

• a noncontact force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is a force?

• a person

• none

• push or pull

• an object

Tags

NGSS.MS-PS2-1

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

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

What force are you demonstrating when you stand on the ground? 

•  Gravitational Force 
• Friction 
•  Applied Force   
• Normal Force

Tags

NGSS.MS-PS2-2

What force are you demonstrating when you bring the north and south poles of a magnet together? 

• Magnetic Force
•  Electrical Force
•  Contact Force
• Friction

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What force are you demonstrating when you pull a cup towards you? 

•  Gravitational Force
• Normal Force
• Applied Force 
• Friction

What force are you demonstrating when you drop your book on the floor? 

•  Magnetic Force
• Gravitational Force
• Normal Force
•  Electrical Force

Tags

NGSS.MS-PS2-4

What force is demonstrated when you pull a chair across a room?   

• Applied Force
• Normal Force
• Gravitational Force
•  Friction

A force that resists motion between two surfaces that are pressed together

• bouyancy

• air resistance

• friction

• gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1