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. Choose the correct answer. 1. A stapler is an example of a(a) first-class lever(c) third-class lever(b) second-class lever(d) pulley2. A flyover uses the principle of a/an(a) lever(c) inclined plane(b) wedge(d) pulleyA wheel and axle is used in a / an(a) sewing machine(c) ramp(b) flagpole(d) axeAn inclined plane wounded around a rod is called(a) pulley(b) screw(c) wedge(d) levere simple machine used to draw water from a well is a |
| Answer» 1. LEVER 2. INCLINED PLANE | |