1. Hooke’s law Condition of equilibrium 1) 2) 3) Hooke’s law

2. 4) Hooke’s law 5) Hooke’s law

3. 6) the spring loses its elasticity Hooke’s law 7) If the mass is exceeded, then the spring will lose its elasticity

4. Condition of equilibrium 1) 2)

5. i. Point of application. (contact point of (B) with the spring) iii. Direction. (upward) i. Point of application. (center of gravity of B) iii. Direction. (downward) iv. Magnitude 3) 4) Force exerted by the spring on the body Force exerted by the body on the spring S: Spring B: solid Body This is an interaction by contact.

6. 5) Hooke’s law 6) Condition of equilibrium 7)