Physics Flashcards
Process of assigning quantity to describe a property an object
Measurement
S.I.
Systematic internationale
S.I. unit
Metric system
S.I. agreed on standard system what year ?
1960
Unit of time
Second
Unit of length
Meter
Unit of mass
Kilogram
Unit of electric current
Ampere
Unit of temperature
Kelvin
Unit of substance
Mole
Unit of luminous intensity
Candela
Reliable known digits
Significant figures
Used to express very small and very large number
Significant figures
Quantity and property of an object
Measurement
Quantity and property of an object
Measurement
Difference between the true value and measured value
Error
Difference between the true value and measured value
Error
Net effect of error. doubt that exist in reported value
Uncertainty
How close the measured value to the true value
Accuracy
Scattered or the variability
Precision
Referred to pull or push exerted of the object
Force
What are the contact forces
Normal force, friction force, tension force
Non contact force
Magnetic force, electric force, gravitational force
Fundamental force
Strong nuclear force, electromagnetic force, weak nuclear force, gravitational force