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Physics #196
Answered
Hydrogen Fuel Future

Why is hydrogen called the “fuel of the future”?

Physics #197
Answered
Vectors vs Scalars

What’s the actual difference between a vector and a scalar?

Physics #198
Answered
Vector Addition

If two forces act at right angles, how do we find the resultant?

Physics #199
Answered
Relative Velocity

Why does rain appear to fall slanting when you’re running?

Physics #200
Answered
Projectile Motion

Why does a ball follow a curved path when thrown?

Physics #201
Answered
Maximum Height

How do you find how high a ball goes if thrown up at 20 m/s?

Physics #202
Answered
Range of Projectile

At what angle do you throw a ball to get maximum distance?

Physics #203
Answered
Circular Motion

Why do we feel pushed outwards in a turning car?

Physics #204
Answered
Banking of Roads

Why are highways curved inward on turns?

Physics #205
Answered
Satellite Motion

How do satellites stay in orbit without falling?

Physics #206
Answered
Common Misconception

Is centrifugal force real?

Physics #207
Answered
Newton’s First Law

Why does a book on a table stay still until pushed?

Physics #208
Answered
Second Law

How does pushing a shopping cart relate to Newton’s 2nd law?

Physics #209
Answered
Third Law

Why do guns recoil when fired?

Physics #210
Answered
Friction

Why is walking on ice so difficult?

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