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Clamp (tool) For other uses, see Clamp. A clamp is a fastening device used to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure.
A simple machine is a device that acts to increase or decrease the amount of force output by the machine, F o, compared to the force input to the machine, F i. Energy is still conserved. Although a machine like a lever can increase the force, it does not create any new energy, because energy is a conserved quantity.The amount of work input into the machine must equal the amount of work output by the machine (minus some unavoidable energy loss due to friction). W o = W i (ignoring friction losses).he mechanical advantage of a machine is the factor by which the force is increased. A machine that doubles the force has a mechanical advantage of 2. The Ideal Mechanical Advantage (IMA) is the theoretical result achieved when there is no friction.