Types of friction force

There are ........of friction force.

• 2

• 3

• 1

This photo represents...

• Air resistance

• water resistance

• friction force between 2 solid bodies

Tags

NGSS.MS-PS2-2

Dolphins have streamline shape to.............

• increase water resistance.

• Decrease water resistance.

• No answer

Tags

NGSS.MS-PS2-2

The friction force acts in the ...................... direction of movement

• Same

• Opposite

• sometime Opposite

The plane has streamline shape to..........

• decrease surface area.

• increase speed

• both of them

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

The parachutists opens its parachute on landing

• to land safety.

• to decrease surface area

• to increase surface area

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-5

Factors affecting friction force

• surface area

• speed of moving object

• type of material surface

Types of friction force

• Between 2 solid objects

• between solid object and water

• no correct answer

Which boy A or B will slide down faster

• A

• B

• A and B

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Your shoes is rough or smooth to avoid slipping down.

• rough

• smooth

• no correct answer