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Ch 14: Force, Motion & Gravitation for the MCAT: Help and Review

About This Chapter

The Force, Motion and Gravitation chapter of this Medical College Admission Test (MCAT) Help and Review course is the simplest way to master classical mechanics and physical laws. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of force, motion and gravitation.

Who's it for?

Anyone who needs help preparing for the science section of the MCAT exam will benefit from taking this course. You will be able to grasp the subject matter faster, retain critical knowledge longer and earn better grades. You're in the right place if you:

  • Have fallen behind in understanding Newton's laws of motion or gravity, mass and weight.
  • Need an efficient way to learn about force, motion and gravitation.
  • Learn best with engaging auditory and visual tools.
  • Struggle with learning disabilities or learning differences, including autism and ADHD.
  • Experience difficulty understanding your teachers.
  • Missed class time and need to catch up.
  • Can't access extra MCAT science preparation resources at school.

How it works:

  • Start at the beginning, or identify the topics that you need help with.
  • Watch and learn from fun videos, reviewing as needed.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Submit questions to one of our instructors for personalized support if you need extra help.
  • Verify you're ready by completing the Force, Motion and Gravitation chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Force, Motion and Gravitation chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any relevant question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

In this chapter, you'll learn the answers to questions including:

  • How does force affect motion?
  • How do two forces impact each other?
  • Under what circumstances does gravity accelerate?
  • What are the formulas for calculating mass and weight?
  • How does the centripetal force requirement affect uniform circular motion?
  • What are the major differences between static and sliding friction?
  • How do inclined planes work in physics?
  • What are the mechanics behind basic pulley operations?

16 Lessons in Chapter 14: Force, Motion & Gravitation for the MCAT: Help and Review
Implications of Mechanics on Objects

1. Implications of Mechanics on Objects

Forces act on objects causing them to move. Mechanics is the field of science designated to the study of moving objects. This lesson describes how forces act on objects resulting in motion. Examples are used to describe how forces interact resulting in both simple and complex movement.

Newton's First Law of Motion: Examples of the Effect of Force on Motion

2. Newton's First Law of Motion: Examples of the Effect of Force on Motion

This lesson describes Newton's first law of motion, also known as the law of inertia. The interaction between force and motion is explained. Several examples are used to discuss the implications of this law on earth and in space.

Newton's Second Law of Motion: The Relationship Between Force and Acceleration

3. Newton's Second Law of Motion: The Relationship Between Force and Acceleration

This lesson defines Newton's second law of motion. Examples are used to illustrate how unbalanced forces cause objects to accelerate. The examples are used to practice calculating acceleration and force for objects in motion.

Newton's Third Law of Motion: Examples of the Relationship Between Two Forces

4. Newton's Third Law of Motion: Examples of the Relationship Between Two Forces

This lesson describes Newton's third law of motion. Examples are provided to illustrate how interacting objects experience forces. The lesson explains how objects accelerate as a result of force. Applications of Newton's third law are illustrated in nature, machines, and space.

Newton's Laws and Weight, Mass & Gravity

5. Newton's Laws and Weight, Mass & Gravity

Did you know that mass and weight are not the same? This lesson describes the difference between the two as well as the effect of gravity on weight. Examples are used to teach you how to calculate weight based on mass and acceleration of gravity.

Friction: Definition and Types

6. Friction: Definition and Types

You experience friction all the time, and you should be glad you do! Friction helps keep stationary objects in place as well as slow moving objects down as they slide across a surface. This lesson identifies what friction is and explains the two ways we find this force on earth.

Inclined Planes in Physics: Definition, Facts, and Examples

7. Inclined Planes in Physics: Definition, Facts, and Examples

If an object is not horizontal to the ground, it may be on an inclined plane. We need to adjust both the calculations and the free-body diagram when determining the net force on an object on an inclined plane. Learn how in this lesson.

Pulleys: Basic Mechanics

8. Pulleys: Basic Mechanics

Like other simple machines, pulleys can help us lift and move heavy loads with less effort. In this video lesson, you'll learn how pulleys do this as well as how this is possible while still obeying the law of conservation of energy.

Mass and Weight: Differences and Calculations

9. Mass and Weight: Differences and Calculations

We often talk about mass and weight as if they are the same. While they are proportional to each other, they are not in fact the same. In this video lesson you will learn to distinguish between the two, as well as convert one to the other.

Angular Velocity: Definition, Formula & Examples

10. Angular Velocity: Definition, Formula & Examples

Angular velocity applies to objects that move along a circular path. We will explore the definition of angular velocity and learn three different formulas we can use to calculate this type of velocity.

Average Velocity: Definition, Formula & Examples

11. Average Velocity: Definition, Formula & Examples

If we are looking at an object in motion over a period of time, we are able to determine the object's average velocity for any sub-interval of time as well as over the entire period of time. Let's learn more about average velocity in this lesson!

Linear Velocity: Definition & Formula

12. Linear Velocity: Definition & Formula

Linear velocity is an extremely common measurement of a moving object. Let's explore linear velocity by explaining its definition, learning a formula used to calculate it, and looking at examples of when this measurement shows up in everyday life.

Understanding the Center of Mass & Center of Gravity

13. Understanding the Center of Mass & Center of Gravity

After watching this video, you will be able to explain the difference between center of mass and center of gravity and give examples of situations where they would be different. A short quiz will follow.

Newton's Law of Gravitation: Definition & Examples

14. Newton's Law of Gravitation: Definition & Examples

This lesson explains how gravity works mathematically and teaches you how to use Newton's Law of Gravitation to solve problems. A short quiz will follow.

Uniform Circular Motion: Definition & Mathematics

15. Uniform Circular Motion: Definition & Mathematics

After watching this lesson, you will be able to explain what uniform circular motion is, in terms of both acceleration and forces. You will also be able to use equations for centripetal force and acceleration to solve problems. A short quiz will follow.

The Centripetal Force Requirement: Definition, Examples & Problems

16. The Centripetal Force Requirement: Definition, Examples & Problems

What keeps a roller coaster in a loop? Learn about centripetal force, what causes a centripetal force, and how to calculate it. Complete a quiz to test your knowledge.

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Other Chapters

Other chapters within the MCAT Prep: Help and Review course

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