Embedded Files
Success Criteria:
I am able to demonstrate a clear understanding of mass as a scalar quantity measured in kilograms.
I understands that, in the absence of air resistance, all objects fall freely with the same constant acceleration near Earth.
I am able to utilise equations for uniform acceleration to solve problems involving vertical motion, correctly identifying the direction (upwards or downwards) as positive based on the problem context.
Fun Fact
In 1971, astronaut David Scott conducted a famous experiment on the Moon that involved dropping a hammer and a feather simultaneously. Using the lack of air resistance on the Moon, where there is no atmosphere, he demonstrated that both objects would fall at the same rate.
As he let them go, he quipped, “In the absence of air, there’s no drag, and they both fall at the same rate.” To everyone's surprise, they landed on the lunar surface at the same time! This experiment perfectly illustrated Galileo's principle of acceleration due to gravity and showed how vertical motion operates differently on the Moon compared to Earth—where the feather would normally flutter down gently, while the hammer would thud to the ground. It was a historic moment, proving that physics applies universally, no matter where you are in the universe!
Learning Tasks
11.5 key knowledge questions p.350
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