1) What is a Machine? a) A device that makes tasks easier b) Iron Man c) A robot d) A device that makes tasks harder 2) The ______ of a machine is equal to the resistance force divided by the effort force. a) Efficiency b) Ideal mechanical advantage c) Mechanical advantage d) Torque 3) A(n) _______ machine has equal output and input work and its efficiency is 100 percent. a) Compound b) Efficient c) ideal d) Real 4) A machine consisting of two or more simple machines is called a _______ a) Ideal Machine b) Compound Machine c) Ideal Mechanical Advantage d) Efficient Machine

Physics Machines

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