Physics Mechanics

Name the SI unit for mass, length , time , temperature , electric current and amount of substance.

Name the prefixes for Micro , tera , giga and mega .

What is a scalar Quantity ?

What is a vector quantity ?

Name five scalar quantities ?

Name five vector quantities ?

What is speed ?

what is the unit for speed ?

What is acceleration ?

What is the difference between speed and acceleration?

What does a straight line in displacement time graph show ?

What is instantaneous velocity ?

What is the area underneath speed time graphs?

In the equations of motion what is represented by suvat ?

What is free fall ?

What is the numerical value for gravity ?

What is force ?

What is gravitational force , magnetic force and electrical force ?

what is the name of the force that combines electrical force and magnetic force ?

Name the First Newton Law and what equation is associated with it ?

What is weight , its equation ?

What is drag ?

Terminal Velocity ?

What is the centre of gravity ?

What is a couple ?

What is a torque ?

Equation for torque ?

What is the principle of moments ?

Equation for moment ?

What is Density ?

What is pressure ?

Equation to work out pressure in liquid ?

What is Thinking distance ?

What is breaking distance ?

What is stopping distance ?

Equation for car safety kinetic energy ?

Name 3 things that increase crash time ?

What are crumple zones ?

What are air bags ?

Seat belts ?

What is the equation for work ?

What is the conservation of energy ?

What is gravitational potential energy ?

What is the equation for kinetic Energy ?

What is power ?

Equation for power ?

What is efficiency ?

Equation for efficiency ?

What are sankey diagrams ?

What are the two types of stretch ?

What is Elastic stretch ?

What is plastic stretch ?

What are tensile forces ?

What are compressive forces ?

What is elastic limit ?

What is plastic deformation ?

What is Hooke's law ?

Equation for Hooke's law ?

What is young modulus ?

What is stress and strain ?