Physics 8th: Pressure and Force

Physics 8th: Pressure and Force

8th Grade

13 Qs

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Physics 8th: Pressure and Force

Physics 8th: Pressure and Force

Assessment

Quiz

Others

8th Grade

Practice Problem

Hard

Created by

Aasifa Kiran

Used 2+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name two types of contact forces.

Friction, Tension

Pressure, Buoyancy

Inertia, Velocity

Gravity, Magnetism

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are non-contact forces? Give an example.

Electric force

An example of a non-contact force is gravitational force.

Frictional force

Magnetic force

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating pressure?

Pressure = Area / Force

Pressure = Force + Area

Pressure = Force / Area

Pressure = Mass / Volume

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unit is pressure measured in?

Newtons per square meter (N/m²)

Millimeters of mercury (mmHg)

Atmospheres (atm)

Pascals (Pa)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a force of 10 N is applied over an area of 2 m², what is the pressure?

20 Pa

2 Pa

5 Pa

10 Pa

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does increasing the area affect pressure, assuming the force remains constant?

Increasing the area decreases pressure, assuming force remains constant.

Increasing the area causes pressure to fluctuate, assuming force remains constant.

Increasing the area increases pressure, assuming force remains constant.

Increasing the area has no effect on pressure, assuming force remains constant.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to pressure if the density of a fluid increases?

Pressure remains constant regardless of fluid density changes.

Pressure increases if the density of a fluid increases.

Pressure decreases if the density of a fluid increases.

Pressure is unaffected by the density of a fluid.

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