do it i give 20 point
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Pulley - Something that uses a rope to change direction of force
Effort / load - 1 / M.A
Wood - Opaque object
Formation of shadow in nature - Eclipse
Unlike poles - Attracts each other
North and South poles - Poles exist in pairs
Luminous object - Candle
Heating of magnet - Demagnetisation
Nut cracker - Class 2 lever
Image of pinhole camera - Real and inverted
Explanation:
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