Shakeel Muzaffar

Density explained simply: what it means, the mass over volume formula, common units like kg/m^3, and worked examples using water, aluminum, and gold metal.

Learn how to calculate power in watts using two easy formulas: Power = Work / Time and Power = Voltage x Current, complete with step-by-step worked examples.

Ohm’s law explains how voltage, current, and resistance relate through the formula V = I x R, along with its two rearrangements and a worked example, too.

Kinetic energy is the energy of motion; potential energy is stored energy from position. Compare formulas, examples, and how energy converts between them.

Newton’s laws and force explained clearly: inertia, F=ma, and action-reaction, with worked examples in newtons for students and curious minds.

Learn how to calculate velocity and acceleration with simple formulas, a clear step by step worked example, and the correct units for every result you get.

BMI health risk explained in plain terms: what BMI measures, the general BMI categories, and why doctors treat BMI as one screening reference, not a diagnosis.

Blood pressure categories explained in plain terms: what systolic and diastolic mean, general reference ranges, and why one reading is not the full story.

The cholesterol ratio divides total cholesterol by HDL cholesterol. See the formula, a worked example, and general reference points doctors often discuss.

eGFR estimates how well your kidneys filter waste from your blood. Learn what an eGFR kidney function test measures and what general reference ranges mean.