Life Tricks

Based Quantity and Derived Quantity 1.       A physical quantity is a quantity that can be measured 2.       A base quantity is a physical quantity that cannot be defined in terms of other physical quantities. Base Quantity SI Unit Symbol Mass, m Kilogram kg Length, l Meter m Time,Read More

Measurement and Vernier Caliper 1.       We as a human frequently need to make measurements for physical quantities by using standard measuring instruments. 2.       There are two types of errors a)       Systematic Errors -Cumulative errors that can be corrected. Usually caused by the measuring instrument when itRead More

Chapter 2: Forces and Motion – Form 4 1. Kinematics is a study of the motion of objects 2. Linear Motion is motion in straight line 3. Distance is a total length of the path travelled by the object. [SI unit is m]Read More