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1D Kinematics (constant acceleration)
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Multi-Stage 1D Kinematics
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Free Fall Motion
Step 1 of 5
Teacher mode
1. Drop it
1. Drop it
2. The
speed–time
graph
2. Speed–time
3. Two objects at once
3. Two objects
4. Thrown upwards
4. Thrown up
5. Challenge
5. Challenge
Predict first
Check my answer
Scenarios
Release height
y
0
(m)
Height of B (m)
Initial velocity
v
0
(m/s)
Gravity
g
(m/s²)
Height measured from
Ground (y = 0)
Release point (y = 0)
Controls
Start
Pause
Reset
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Up is positive, so the free-fall acceleration is negative:
a
= −
g
. Faint dots show where the ball was every 0.5 s.
Velocity–Time Graph,
v
–
t
Speed–Time Graph
Show the gradient
Show the area under the graph
Height–Time Graph,
y
–
t
Speed every second (notes p. 2-37, “Try it!”)
Key features (tap one)