Methods to reduce friction assignment
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use ball bearings
use rolling motion instead of sliding motion
use rolling motion instead of sliding motion
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(I've highlighted the key-points in bold)
To reduce friction you could use objects with smoother surfaces or if the option to change the object('s surface) is not available, lubricants such as oil or grease could be used. Another method would be to reduce the contact between the surfaces such as the use of roller bearings in car wheels. If you look at an aeroplane you would notice that is has a streamlined shape...it reduces air resistance (a type of friction) as it causes the air to flow around it allowing for more speed.
To reduce friction you could use objects with smoother surfaces or if the option to change the object('s surface) is not available, lubricants such as oil or grease could be used. Another method would be to reduce the contact between the surfaces such as the use of roller bearings in car wheels. If you look at an aeroplane you would notice that is has a streamlined shape...it reduces air resistance (a type of friction) as it causes the air to flow around it allowing for more speed.
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