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P1.1-1.4 Motion(Crystal) (Mass and weight (weight of 1kg mass=10N,…
P1.1-1.4 Motion(Crystal)
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Length and time
Length
Micrometer screw gauge:
main scale to the nearest 0.5mm
additional fraction of a millimetre from the fractional scale
e.g: 2.5mm+0.17mm=2.67mm
Units:
SI unit: metre(m)
1 decimetre(dm)=0.1m
1 centimetre(cm)=0.01m
1 millimetre(mm)=0.001m
1 micrometre(um)=0.000001m
1 kilometre(km)=1000m
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