- The gravitational force acting downward: \( F_{\text{gravity}} = m \cdot g = 5 \, \text{kg} \times 9.8 \, \text{m/s}^2 = 49 \, \text{N} \).
- The normal force exerted by the 7 kg box acting upward: \( F_{\text{normal}} = 49 \, \text{N} \).
Show more…