| Difficulty | Secondary School | High school/other |
| ★ | Basic | Easy |
| ★★ | Demanding | Basic |
| ★★★ | Demanding | |
| ★★★★ | Difficult | |
| ★★★★★ | Very difficult |
Demonstrate the validity of the laws of statics by comparing the measurement results with the values obtained by calculation.
Answer: It is stated that the measured force values are very close to the calculated values.
