The Most Powerful Habit in Physics: Asking “What Is Really Happening?”
Most students believe that success in Physics comes from memorising formulas.
Some believe it comes from solving hundreds of problems.
Others think it is simply a matter of studying for long hours.
My favourite teacher had a different opinion.
He often used to say:
“Less reading, more writing, most thinking.”
As a student, I did not fully understand what he meant.
However, as I became a serious student of Physics, the meaning of this simple statement became clearer and clearer.
Today, after years of teaching Physics, I believe this is one of the most powerful pieces of advice a student can receive—not only for Physics but for learning any subject.
The real secret lies in the last two words:
Most Thinking.
Thinking is nothing but asking good questions to yourself.
Before searching for a formula, a physicist first tries to understand the situation.
He asks:
- What exactly is happening here?
- Can I visualise the situation?
- Which physical quantities are important?
- How are these quantities related?
- What principles of Physics govern this phenomenon?
- Which method would be most suitable for solving the problem?
The habit of asking such questions transforms problem-solving from a mechanical process into an intellectual adventure.
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Why Most Students Struggle
When students encounter a difficult problem, their first instinct is often to search for an equation.
They start writing formulas immediately.
Soon, the page becomes filled with algebra, trigonometry, and calculations.
Unfortunately, many of these calculations lead nowhere because the student never truly understood the problem in the first place.
Expert problem solvers do something different.
Before touching a single equation, they pause and ask:
“What is really happening?”
That simple question often reveals the path to the solution.
An Example
Consider the following problem:
A projectile is projected with speed u from a point at height h above the ground. Determine the maximum possible horizontal range on the ground.
At first glance, this appears to be a standard projectile motion problem.
Most students immediately start writing equations of motion.
However, let us resist that temptation.
Instead, let us think.
Imagine standing on the top of a building and throwing a ball.
You can throw the ball in many different directions.
Depending on the direction of projection, the ball lands at different points on the ground.
The horizontal distance between the building and the point of impact is the range.
Our objective is to find the largest possible value of this range.
Now ask yourself:
Among all possible trajectories, which one gives the maximum range?
This is where thinking begins to guide us.
Students familiar with advanced projectile motion know about the concept of the bounding parabola. The bounding parabola represents the outermost boundary of all possible projectile trajectories for a given initial speed. No projectile can reach a point lying outside this curve. Therefore, if the range is to be maximum, the point of impact must lie exactly where the bounding parabola intersects the ground.
Notice what happened.
We did not begin with equations.
We began by understanding the physical situation.
The mathematics came only after the idea became clear.
Solution
The equation of the bounding parabola for a projectile launched with speed (u) is
$$y=\frac{u^2}{2g}-\frac{g x^2}{2u^2}$$
For the projectile to achieve the maximum possible range, its point of impact must lie on the bounding parabola.
Taking the point of projection as the origin, the ground is located at
$$y=-h$$
and the point of impact is
$$(x,y)=(R_{\max},-h)$$
Also, $$u=\sqrt{2ag}$$
Substituting these coordinates into the equation of the bounding parabola,
$$-h=\frac{2ag}{2g}-\frac{gR_{\max}^2}{2(2ag)}$$
Rearranging and taking the square root
$$R_{\max}=2\sqrt{a(a+h)}$$
Hence,
$$\boxed{R_{\max}=2\sqrt{a(a+h)}}$$
which is the maximum possible horizontal range.
The Real Lesson
The purpose of this article is not the formula we obtained.
In fact, the formula is the least important part.
The real lesson is the thought process that led us there.
An average student often asks:
“Which formula should I use?”
An exceptional student asks:
“What is really happening here?”
Both students may know the same Physics.
Both may have studied the same chapter.
Yet one struggles while the other discovers elegant solutions.
The difference lies in the quality of questions they ask themselves.
Before solving any Physics problem, pause for a moment and ask: What is really happening? Can I visualize the situation? Which physical quantities matter? What principle of Physics is at work? This habit may seem simple, but it is one of the most powerful skills you can develop as a student of Physics.
Continue Learning
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About the Author
Sutikshna Mishra is a Physics educator with more than 20 years of teaching experience. He mentors students preparing for Physics Olympiads, JEE Advanced, and other competitive examinations through concept-based learning and problem-solving.
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