Results
Exam Problem
- 90% give the correct answer
- the normal force on the ball is equal to the downward force due to gravity
FCI 18
- 54% choose the correct answer:
- the upward force on the elevator by the cables equals the downward force due to gravity
- 36% choose a common misconception:
- the upward force on the elevator by the cables is greater than the downward force due to gravity