Understanding Normal Forces

Understanding Normal Forces

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What prevents a book from falling through a table when placed on it?

The table exerts an upward force.

The book is glued to the table.

The table exerts a downward force.

The book is too light to fall.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why doesn't Newton's Third Law explain the book's stability on the table?

The forces act on the same object.

The forces act on different objects.

The forces are not equal in magnitude.

The forces are not opposite in direction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What advanced topics are involved in the true explanation of why objects don't pass through each other?

Fluid dynamics and wave theory

Thermodynamics and relativity

Quantum mechanics and particle interactions

Classical mechanics and electromagnetism

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'normal' mean in the context of normal force?

Equal in magnitude

Perpendicular to the surface

Parallel to the surface

Ordinary or average

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the normal force defined?

A force that acts at an angle

A force that accelerates an object

A force that prevents an object from passing through a surface

A force parallel to the surface

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of the car on the road, what is the role of gravity?

It makes the car move sideways.

It causes the car to press against the road.

It accelerates the car forward.

It has no effect on the car.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the acceleration due to gravity used in the car example?

3 meters per second squared

1,300 meters per second squared

9.81 meters per second squared

12,753 meters per second squared

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