Physics Quiz on Pressure

Using the formula for pressure (P = F/A), calculate the pressure exerted by the forestry worker's pickaxe if the force applied is 2000 N and the area of contact is 0.0002 m².

• 10000 Pa

• 100000 Pa

• 1000000 Pa

• 10000000 Pa

How much force must be exerted on a small piston with an area of 88.12 cm2 to lift a dentist's chair and a patient exerting a downward force of 2,269 N, if the large piston has an area of 1,221 cm2? F1A1=F2A2

• 162 N

• 204 N

• 250 N

• 163 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

According to Charles' Law, if a gas sample at 40.0°C occupies a volume of 2.32 L and the temperature is raised to 75.0°C, what will the volume be, assuming the pressure remains constant? V1/T1 = V2/T2

• 2.75 L

• 2.57 L

• 4.35 L

• 3.00 L

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Water is about 1,000 times more ___ than air and therefore exerts greater pressure than air.

• dense
• heavy
• buoyant
• fluid

According to Charles' Law, if the initial temperature of a gas is 300 K and its volume is 500 mL, what would be the volume at 600 K assuming pressure remains constant? T1/V1=T2/V2

• 1000 mL

• 750 mL

• 600 mL

• 500 mL