https://images.app.goo.gl/XdMMLxMeYGV5bN8A6

https://www1.grc.nasa.gov/beginners-guide-to-aeronautics/newtons-laws-of-motion/

https://www.behavioraleconomics.com/the-three-laws-of-human-behavior/

https://slideplayer.com/slide/6990480/ 

1. Force: Interaction between two objects, e.g., pushes or pulls, acting on one object due to another.

2. Types of Forces:

Normal Force: Contact force exerted by surfaces.

Friction: Contact force from rubbing surfaces.

Tension: Contact force in a stretched object.

Weight: Non-contact force caused by gravity ().

3. Newton's Laws of Motion:

First Law (Inertia): An object remains at rest or in uniform motion unless acted upon by an unbalanced force.

Newton's First Law, or the Law of Inertia, states that an object will stay still or keep moving in a straight line at the same speed unless an outside force changes its motion. This resistance to change is called inertia. If no overall force acts on the object, it keeps its current motion or stays at rest.

Examples of Newton's First Law can be seen when a car suddenly brakes. When the driver applies the brakes, the car slows down, but the passengers inside continue moving forward due to inertia. This is why seatbelts are important—they prevent the passengers from continuing their forward motion and potentially getting injured.

Second Law: - Force is the product of mass and acceleration.

Newton’s Second Law explains that an object’s acceleration depends on its mass and the force applied to it. Force is defined as the change in momentum (mass × velocity) over time. Momentum combines the object's mass and its velocity.

If the mass stays constant, the equation simplifies to F = m × a, where force equals mass times acceleration. This means that the harder you push (greater force), the faster an object accelerates. However, heavier objects (greater mass) are harder to accelerate than lighter ones under the same force.

Third Law: Every action has an equal and opposite reaction.

Newton’s Third Law states that every action has an equal and opposite reaction. When one object applies a force on another, the second object applies the same amount of force back, but in the opposite direction. Forces always come in pairs due to interactions between objects.

4. Force Properties: Vectors with magnitude and direction,

and they combine using vector addition.

1. Humans Prefer the Path of Least Resistance

Like objects in motion, humans tend to stick to their routines unless pushed by significant forces. This tendency, known as the status quo bias, mirrors Newton’s first law. Changes in behavior occur when two types of forces are at play:

Friction: Barriers that make actions harder (e.g., feeling too tired to exercise or dealing with complicated forms).

Fuel: Motivators that make actions easier or more appealing (e.g., rewards or gamified challenges).

Reducing friction or adding fuel can nudge people to break their routines and form new habits.

2. Behavior Depends on Both the Person and the Environment

Behavior is shaped by the combination of individual traits (beliefs, motivations, or mood) and the environment (social setting, cues, or design). Psychologist Kurt Lewin summarized this interaction as B = ƒ(P, E), meaning behavior is a function of the person and their environment.

For instance, someone stressed might avoid healthy food, but a cafeteria sign promoting salads could increase healthy choices overall. However, under stress, that same sign might backfire, causing rebellion. Understanding behavior requires examining both personal and environmental factors together.

3. Decisions Involve Tradeoffs and Unintended Consequences

Every choice has costs and benefits. For example, buying vitamins means losing money that could have been spent elsewhere (opportunity cost). Similarly, decisions often lead to unintended outcomes.

For instance:

Extrinsic rewards (like paying someone to exercise) may increase short-term behavior but harm long-term motivation once the reward ends (overjustification effect).

Actions can affect others through externalities, such as pollution from factories or loud music disturbing neighbors.

Even well-intentioned decisions, like banning plastic bags, can lead to unforeseen consequences, such as increased environmental harm from alternative options.

By understanding these three principles, we can better navigate the complexities of human behavior and make informed decisions.

1. Universal Principles  

   Both sets of laws aim to explain fundamental principles that govern systems—Newton’s laws describe physical motion, while the laws of human behavior describe psychological and social tendencies.

2. Interaction-Based  

   - Newton’s laws focus on forces and interactions between objects (e.g., action-reaction).  

   - Human behavior laws emphasize interactions between individuals and their environment or other people (e.g., friction and fuel in habit formation).

3. Predictive Nature

   Both frameworks allow for predictions:  

   - Newton’s laws predict how objects will move under certain forces.  

   - Human behavior laws predict how people may act in specific conditions based on internal and external factors.

4. Inertia Analogy

   - In Newton’s first law, objects resist changes in motion unless acted upon by a force.  

   - Humans also resist behavioral changes unless influenced by friction or fuel (status quo bias).

1. Engineering and Design 

   - Designing vehicles (e.g., understanding inertia for seatbelt systems).  

   - Building structures that withstand forces like tension and compression.

2. Sports and Physical Activity

   - Athletes use the second law to optimize force and acceleration (e.g., sprinters).  

   - Coaches apply the third law in strategies like pushing off walls during swimming.

3. Transportation

   - Aircraft and rocket propulsion rely on the third law (action-reaction).  

   - Brake systems depend on friction (a force defined in the laws).

Laws of Human Behavior

1. Behavioral Economics

   - Marketers reduce friction by simplifying purchase processes (e.g., one-click buying).  

   - Governments add "fuel" by incentivizing sustainable actions (e.g., subsidies for electric vehicles).

2. Habit Formation

   - Reducing friction (e.g., placing workout clothes nearby) makes new routines easier to adopt.  

   - Adding rewards (fuel) encourages persistence in behaviors.

3. Public Policy

   - Understanding the trade-offs of decisions (e.g., taxing sugary drinks to promote health but considering economic impacts).  

   - Designing environments to influence behavior (e.g., nudges like default retirement savings plans).