water resistance

What is water resistance ?

• friction between moving object in water

• gravity in water

• pulling force

• friction between moving object in air

Can water resistance be reduced ?

• Yes

• No

Tags

NGSS.MS-ETS1-1

How water resistance can be reduced ??

• streamline body

• less weight

• more surface area

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

A spinning marble ball in water bowl, comes to an end in longer time ?

• true

• false

Tags

NGSS.MS-PS2-2

I

s water resistance greater than air resistance ?

• yes

• no

How a swim suit help a swimmer to swim in water ??

Which of the given shapes will touch to the bottom first ??

• 
• 
• 
• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Why do sharks not find it difficult to swim in water

Tags

NGSS.MS-LS4-4

Does air resistance effects a scuba diver in water

• yes

• no

What makes water resistance similar to surface friction ?

• slows things down

• increases the friction

• decreases the surface area

• increases the surface area