MCQ
What is needed to calculate work?
- ATime and distance.
- BSpeed and distance.
- ✓Force and direction.
- DAcceleration and velocity.
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A freely falling object travels 4.9m in 1st second, 14.7m in 2nd second, 24.5m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of: