Grade 9 Pressure

Grade 9 Pressure

9th Grade

20 Qs

quiz-placeholder

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Grade 9 Pressure

Grade 9 Pressure

Assessment

Quiz

Science, Physics

9th Grade

Practice Problem

Hard

Created by

Aep Saepulloh

Used 44+ times

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20 questions

Show all answers

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

Media Image

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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