1 / 10
Video Lesson 2:30
Carry, Push, Pull: Seeing Mechanical Work in the Festival Crew
S9FE-IIIa-20Grade 9 · Quarter 3Explain Work Done by a Force
The player pauses at checkpoints to test your understanding.
0:002:30
2 checkpoints
Quiz Checkpoints
1Checkpoint0:50
A crew member holds a 12 kg prop perfectly still above their head for 10 seconds. How much mechanical work do they do ON the prop?
2Checkpoint1:40
A propsman pushes a riser 10 m across the floor with a steady 120 N of force in the direction of motion. How much work does he do?