__________ make our work easier, Energy, Work, Machines, An example of simple machine is, A car, A scissor, A mobile, The picture is of a, Simple machine, Complex machine, A______ is the simplest of all types of machines., Wheel and axle, Lever, Pulley, The fulcrum lies between the load and the effort in class 2 lever, False, True, The fixed point about which a lever can rotate is called a, Lever, Fulcrum, Load, Work is done whenever, A force is applied, You gets tired, A force moves an object, The force applied on the lever is called the, Load, Effort, Lever, Which of the following is a class 1 lever, Lemon squeezers, Beam balance, Crowbar, _______ is defined as the ability to do work, Load, Energy, Machines

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