Work and Energy

Work 1. Work is done when a force is exerted to move an object through a distance in the direction of the force. 2. Work, W, is define...

Power, Energy and Efficiency

I've simplified a few concepts here, hope it helps POWER 1. The power,P, is the rate at which work is done or the rate of change of ...

WORK

Here is the simplification of explanation for Work, Energy, Power and Efficiency Work, Energy, Power and Efficiency Work 1. Work is ...

Linear Motion Calculation Examples

A bicycle moved from point A and then moved 50 m to the north in 60 seconds. The bicycle then moved 120 m to the east in 40 seconds. Fina...

Linear Motion Calculation 2

Linear motion calculation 2 A bike has to move along a straight road. It starts from rest and then moves with uniform acceleration. Aft...

Understanding Derived and Base Quantities

Understanding Derived and Base Quantities Physical quantities are quantities that can be measured. e.g. Length, Temperature, Speed, Tim...

Understanding Scalar and Vector Quantities

Scalar quantities: Quantities that have magnitude only. ( Speed, mass, distance) Example: For example speed has unit of ms^-1. but i...