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jenyasd209 [6]
3 years ago
8

Explain how lubricating the wheels of the skateboard can increase the speed of the girl

Chemistry
2 answers:
weqwewe [10]3 years ago
8 0
Less friction to stop the wheel from turning
ohaa [14]3 years ago
5 0

Answer:

When oil, grease or graphite is applied

between the moving part of a machine,

a thin layer is formed there and moving

surfaces do not directly rub against each

other (Fig. 12.13). Interlocking of

irregularities is avoided to a great extent.

Movement becomes smooth. The

substances which reduce friction are

called lubricants.

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