density and pressure y 11

What is the unit of measurement for density?

• pascals
• metres

• grams
• grams per cubic centimetre (g/cm3)

Which of these is a correct formula?

Which of these is a correct formula?

Frank has a paper clip. It has a mass of 90g and a volume of 30cm³. What is its density?

• 3 g/cm³
• 1/3 g/cm³
• 27 g/cm³
• 39 g/cm³

What pressure does a 4000N horse exert on the ground if each foot has an area of 10cm²?

• 40 N/cm²

• 100 N/cm²

• 400 N/cm²

• 10 N/cm²

Find the pressure exerted when a box is placed on a table and exerts a force of 124 newtons on an area of 10.5cm²

• 11.81 N/cm²

• 0.085 N/cm²

• 1.18 N/cm²

• 0.85 N/cm²

Work out the force when the area of contact is 0.2m² and the pressure exerted is 1.2N/cm²

• 6 N

• 0.24 N

• 2400 N

• 24 N

Which liquid has the least density?

• Water
• Glycerine
• Corn Oil
• Corn Syurp

Which liquid is the most dense?

• corn syurp
• water
• glycerine
• corn oil

What is the volume of the rock?

• 30cm³
• 10cm³
• 40cm³
• 20cm³