Beat Counts and Direction Changes: Impulse in Action

Festival context —Fight scenes, sudden stops, mid-air catches, and forward rolls during the Cry of Jelicuon war reenactment

S9FE-IIIb-24Grade 9 · Quarter 3Relate Impulse to Change in Momentum

The player pauses at checkpoints to test your understanding.

0:001:30

2 checkpoints

Quiz Checkpoints

1Checkpoint0:30

A performer running at 5 m/s must reverse direction to -5 m/s in 0.4 seconds. If their mass is 55 kg, what is the change in momentum (Δp)?

2Checkpoint1:00

The choreographer shortens the beat count from 4 to 2 beats for the same direction change. What happens to the required force?

Up Next

Calculating the Force Behind a Direction Change