SCIENCE CLASS 8 FORCE AND PRESSURE

Fluids can also include__ and__. 

• solids and liquids
• solids and gases
• liquids and gases
• liquids

What is the equation used to calculate pressure?

• pressure= force/mass
• pressure =mass/volume
• pressure=area/force
• pressure=force/area

What is the unit of measurement for pressure?

• pascal
• grams
• milliters
• meters

Pressure decreases when the surface area over which a force is applied increases

• True
• False

Atmospheric pressure increases as you move towards lower elevations and decreases as you move into higher elevations.

• True
• False

Which of the statements is true?

• The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.
• The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.
• The bottom of the shoe exerts the same pressure as the bottom of the boot.

When you increase your depth under water, the water pressure on your body

• increases

• decreases

• stays the same

Force that resists movement between 2 objects in contact

• Speed

• Velocity

• Acceleration

• Inertia

• Friction

What is force?

• A push exerted on an object
• A push or pull exerted on an object
• A pull exerted on an object
• Nothing

Tags

NGSS.MS-PS2-1

The force that pulls things toward earth.

• Speed
• Gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5