Friction force prim5 Abeer samir

Friction acts in...... Direction of motion

• Opposite

• Same

• Downward

Force arises between two surfaces touch each other

• Motion

• Friction

• Movement

Sliding body over another one this means that friction is...... Than motion

• Smaller

• Greater

• Equal

Friction causes.........

• Slowing down and stopping the moving body

• Increasing speed

• Motion in one direction

Tags

NGSS.MS-PS3-5

Friction prevents us from....

• Walking

• Running

• Slipping down

Friction force depends on

• Surface area only

• Speed of body only

• Type of material surfacr

• All pervious answers

When the speed of moving body increases the friction....

• Increases

• Decrease

• Doesn't change

There is a...... Relationship between friction and surface area of moving body

• Direct

• Inverse

• Opposite

Air resistance ..... When body moves so fast

• Increaseas

• Decreases

• Doesn't change

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Type of friction that affect moving body through air

• Friction

• Air resistance

• Water resistance