Difference between speed & velocity
Why do we say a car moving in a circle at constant speed still has a changing velocity?
Acceleration in daily life
When you press the accelerator in a car, what's actually happening in terms of physics?
Distance vs displacement
Two friends walk 3 km east and then 4 km north. What's the difference between distance and displacement here?
Newton's first law
Why do you lurch forward when a bus suddenly stops?
Friction as friend & foe
If friction slows us down, why don't we get rid of it completely?
Projectile motion
Why does a cricket ball follow a curved path when hit into the air?
Work done concept
If I push a wall with all my strength and it doesn't move, am I doing work?
Power in real life
Two people run up the same staircase. One reaches in 5 seconds, the other in 10 seconds. Who does more work?
Momentum in collisions
Why does a small bullet cause more damage than a large stone thrown slowly?
Uniform motion
A train moves at 60 km/h for 2 hours. Is its motion uniform?
Non-uniform motion
A cyclist speeds up, slows down, and turns corners. Is this uniform motion?
Distance vs displacement
If you jog 200 m around a circular park and return to the starting point, what's your distance and displacement?
Average speed
You drive 30 km at 60 km/h and another 30 km at 30 km/h. Is your average speed 45 km/h?
Acceleration basics
A car goes from 0 to 72 km/h in 10 sec. What's its acceleration?
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