类别 全部 - physics - forces - kinematics - energy

作者:Marati Anish N/A 8 年以前

281

phyics

The study of physics involves understanding various physical quantities and their measurements, such as mass, weight, and density. Forces, including normal reaction, gravitational, friction, tension, magnetic force, and fluid resistance, play a crucial role in this field.

phyics

phyics

kinectic module of matter

energy work and power

Main topic

forces and pressure

f=ma
si unit of force = newton or (N)
Subtopic
magnetic force
fluid resistance
tension
friction
gravitational
normal reaction

kinematics

vector qunatities
hvae both magnitude and direction
scalar qunatities
have magnitude only

transfer of thermal energy

moments

mass weight and density

phyiscal quantities and measurements

units=scale used to measure
magnitude = the amount