A 72 kg person lies on their bed and covers an area of 1.65 m2. How much pressure is the person exerting on the mattress?
5.2 Pressure

Quiz
•
Physics
•
12th Grade
•
Medium
Jean-Claude On
Used 8+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The person is exerting 1003 Pa of pressure on the mattress.
The person is exerting 309 Pa of pressure on the mattress.
The person is exerting 746 Pa of pressure on the mattress.
The person is exerting approximately 428 Pa of pressure on the mattress.
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A 198 kg statue is on display in a museum. How much area should its base cover such that it exerts 746 Pa of pressure on the ground?
1.7 m2
2.6 m2
3.5 m2
4.2 m2
4.3 m2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following uses water pressure to function?
Baking soda mixed with vinegar
Bicycle tire pump
Fire hydrant
Desk lamp plugged into outlet
Old-fashioned clock
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In a water jet cutting process, a stream of water with a speed of 189 m/s drills a circular hole with a radius of 3.4 cm with a force of 137 N. This process lasts for 22 s. Calculate the pressure of the water on the metal in kPa.
About 61 kPa
About 57 kPa
About 28 kPa
About 20 kPa
About 38 kPa
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In a water jet cutting process, a stream of water with a speed of 189 m/s drills a hole with a radius of 3.4 cm with a force of 137 N. This process lasts for 22 s. Calculate the volume flow rate.
The volume flow rate is 0.34 m3/s.
The volume flow rate is 0.82 m3/s.
The volume flow rate is 5.6 m3/s.
The volume flow rate is 0.69 m3/s.
The volume flow rate is 10 m3/s.
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
In a water jet cutting process, a stream of water with a speed of 189 m/s drills a hole with a radius of 3.4 cm with a force of 137 N. This process lasts for 22 s. Calculate the total volume of water used.
The total volume of water used is 5.6 cubic meters.
The total volume of water used is 67 cubic meters.
The total volume of water used is 3.4 cubic meters.
The total volume of water used is 2.3 cubic meters.
The total volume of water used is 15 cubic meters.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Why do we experience the greatest amount of atmospheric pressure near the surface of the Earth compared to higher up?
8.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Select all true statements about using a straw to drink a beverage.
There is atmospheric pressure pushing down on the surface of the drink.
Drinking from the straw reduces atmospheric pressure inside the straw.
Drinking from the straw increases atmospheric pressure inside the straw.
Drinking from the straw decreases atmospheric pressure around the outside of the beverage.
A higher atmospheric pressure on the surface of the drink pushes liquid into the lower pressure area in the straw.
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