Physics
Name the machine to which the following belong :
(a) Beam balance
(b) Lemon crusher
(c) Sugar tongs
(d) Ramp
(e) Door knob
(f) Needle
Machines
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Answer
(a) Beam balance : Class I lever
(b) Lemon crusher : Class II lever
(c) Sugar tongs : Class III lever
(d) Ramp : Inclined plane
(e) Door knob : Wheel and axle
(f) Needle : Wedge
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