Mechanics

What are the assumptions made when using mathematical models

A body can be modeled as a particle

Air resistance and other frictional forces are negligible

Gravity does not depend on height

Gravity acts straight down at rights angles to the earth surface which is flat

What is a vector

A quantity which has magnitude and direction

What is scalar

A quantity which has magnitude but no direction

What is velocity

Rate of change of displacement

What is acceleration

Rate of change of velocity

What is speed

Rate of change of distance

What is displacement

The shortest distance a body has travelled in a direction

What is distance

The length a body has traveled

The SUVAT equation that does not include V

S=UT+1/2AT²

The SUVAT equation that does not include A

S=1/2(U+V)T

The SUVAT equation that does not include T

V²=U²+2AS

The SUVAT equation that does not include S

V=U+AT