
Grade 9 Pressure
Authored by Aep Saepulloh
Science, Physics
9th Grade
Used 46+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one is correct to describe pressure?
force per unit area
area per unit force
product of area and force
work done per unit time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is NOT the unit of pressure?
mmHg
pascal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statemen is correct about pressure, force and area?
Pressure is inversely proportional to area
Pressure is directly proportional to area
Pressure is inversely proportional to force
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it hard to cut using a dull knife?
A dull knife has larger contact area than the sharp one, so its pressure is greater.
A dull knife has smaller contact area than the sharp one, so its pressure is greater.
A sharp knife has larger contact area than the sharp one, so its pressure is greater.
A dull knife has larger contact area than the sharp one, so its pressure is smaller.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A force of 500 N is given to 0.02 m2. What is the pressure?
25 Pa
25 kPa
10 Pa
0.04 kPa
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A box has a mass of 5 kg. What is the contact are between the box and the floor to produce pressure of 20 Pa?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which hole will produce strongest flow of water? Why?
Hole 1, since the deeper the liquid the greater the pressure
Hole 3, since the deeper the liquid the greater the pressure
Hole 1, since the shallower the liquid the greater the pressure
Hole 3, since the deeper the liquid the smaller the pressure
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