Three matchboxes were covered with three different sheets - sandpaper, aluminium foil and waxed
paper. All three were made to slide down a sloped wooden tray.Which matchbox will slide down the
fastest? Explain.
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Answer:-
- Matchbox covered with aluminium foil will travel faster.
- In case of sand paper and wax paper, their surface is very rough. Wax paper is coated with paraffin wax which makes it sticky. Sand paper is also very rough in nature. Thus, they will be affected by friction the most.
- But comparatively, aluminium foil is smoother. This decreases friction and thus, it slides down speedily.
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