Cooling straightens bimetallic strip that pushes piston
MATCHED THERMAL EXPANSION WITH THERMAL CONTRACTION
There exist materials that expand on cooling,!
Coanda Effect (Age 17-19+)
In Aircraft Cabin
In Aircraft Cabin
Escape Velocity - Gravitational Force effect (17+)
Rocket propelled < Escape Velocity
Rocket propelled > / = Escape Velocity
Exercises-age group mentioned each one
for Kids@17 - 20 : A real time video of a roof-top. What is this?
for KIds@15 - 20 : Forces shown on block as it slides down incline are not shown correctly. What is wrong?
for Kids@15 - 20 : Observe the Free Body Diagram (FBD) in Video (below one) of Block. In particular observe the 'Tension, T' in rope lessening as it 'lags' down. Try to use to apply onto a wire with clothes hanging to dry.
Special Exercise-Flapping Bird Aircraft
This design will not lift above ground. Detect the technical error.
This design can lift above ground and fly.
This design can lift above ground and fly (above one)
A small success of above design- not a very good flight though!