Mastering Units and Measurements

The three types of errors in measurement are instrumental error, systematic error, and random error. Instrumental error occurs due to faults or limitations in the measuring instrument. Systematic error is a consistent error that occurs in the same direction for every measurement. Random error is an unpredictable error that varies in magnitude and direction for each measurement.

The four systems of units mentioned in the text are CGS (Centimeter-Gram-Second), MKS (Meter-Kilogram-Second), FPS (Foot-Pound-Second), and SI (International System of Units).

Physics is important because it helps us understand the fundamental laws and principles governing the universe. It allows us to explain and predict natural phenomena, develop new technologies, and improve our understanding of the world around us.

<p>Absolute error is the difference between the measured value and the true value. Relative error is the ratio of the absolute error to the true value. Percentage error is the relative error expressed as a percentage.</p> Signup and view all the answers

<p>Significant figures are the digits in a measured quantity that carry meaningful information. They include all the certain digits and the first uncertain digit.</p> Signup and view all the answers