Physics › Section B · Kinematics in one and two dimensions › Topic B.5
Falling objects
Drop a key, toss a ball or step off a diving board, and gravity takes over in exactly the same way. Free fall is the cleanest real example of constant acceleration, so the equations from the last topic describe it almost perfectly.
In this topic
- What free fall means
- The size of g and a sign convention
- The free-fall equations
- Dropping from rest
- Worked example: a stone from a bridge
- Thrown straight up
- Worked example: a ball from a balcony
- Measuring g with a timer
- When air resistance matters
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…