1) A model of a solid that has atoms connected to their neighbors by springs is called a) Spring-like nature b) Einstein solid c) Quantum Forces d) Spring Constant 2) In surface forces, when the surfaces move relative to each other, the surface force has a) both a parallel and a perpendicular component b) Only parallel c) only perpendicular d) Neither 3) Tension is the pushing force a rope, cable, or chain exerts along its length. a) True b) False 4) Hooke’s law states that the size of a spring’s deformation is _______ to the applied force; and that when no force acts, the spring _______________. a) Inversely proportional, returns to its original length b) Inversely proportional, is stretched to its maximum point c) Proportional, returns to its original length d) Proportional, is stretched to its maximum point 5) Which of the following is an example of noncontact forces? a) Gravitational Force b) Bouyant Force c) Spring force d) All are correct

Gr9 Week7 Recap

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