2.3 Apparent Weightlessness Flashcards
1
Q
When can we feel weightless. Examples
A
- jumping upwards on a trampoline
- travelling in an air plane that hits an air pocket
2
Q
What is free fall?
A
Accelerating due to gravity at 9.81 ms^-2 downwards
3
Q
What is being weightless?
A
when the only force we feel is the gravitational one, no reaction force etc.
4
Q
Does feeling weightless involve the reaction force?
A
no, it is only at non-contact situations
