| What is a scalar quantity? | A quantity specified by magnitude or size alone |
| What is a vector quantity? | a quantity specified by magnitude or size with a direction also |
| A car is travelling at 5 m s⁻¹. Is this quantity vector or scalar? | Scalar |
| A car is travelling at 5 ms⁻¹ due north. Is this quantity scalar or vector? | Vector |
| Is speed a scalar or vector quantity? | Scalar |
| Is velocity a scalar or vector quantity? | Vector |
| Is distance a scalar or vector quantity? | Scalar |
| Is temperature a scalar or vector quantity? | Scalar |
| Is displacement a scalar or vector quanitity? | Vector |
| Is acceleration a scalar or vector quantity? | Vector |
| Is force a scalar or vector quantity? | Vector |
| Is mass a scalar or vector quantity? | Scalar |
| Is energy a scalar or vector quantity? | Scalar |
| Is time a scalar or vector quantity? | Scalar |
| Is weight a scalar or vector quantity? | Vector |
| What is the vector equivalent of speed? | Velocity |
| What is the vector equivalent of distance? | Displacement |
| A woman walks 200 m to the right then 50 m to the left.
Calculate the total distance the woman walked | 250m |
| A man walks 80 m to the left then 330 m to the right.
Calculate the total displacement of the man | 250m due east |
| How do you calculate resultant of two vectors at right angles? | Calculate the magnitude of the resultant using Pythagoras
Calculate the direction of the resultant using trigonometry |
| Calculate the resultant displacement from this diagram.
(HINT: 3, 4, 5 triangle) | 5m at 36.9° west of north |
| What is speed? | Distance travelled in one second |
| What is the formula for average speed? | V=d/t |
| In the below formula, what is v? | average speed |
| In the below formula, what is d? | distance |
| In the below formula what is t? | Time |
| What is velocity? | displacement in one second |
| What is the formula for average velocity | v=s/t |
| In the below formula, what is s? | displacement |
| In the below formula, what is t? | time |
| How do you calculate average velocity? | In the formula v=s/t, sub in magnitude of displacement only and sub in time
Calculate the angle separately |
| What is instantaneous speed? | the speed of an object at a particular moment in time |
| What indicates instantaneous speed in a car? | speedometer |
| If given the equipment below, describe how to find instantaneous speed. | A light gate consists of a light source + photocell.
The photocell is connected to an electronic timing device. The timing device is triggered when the light beam is broken by the card.
The timing device records how long the beam is blocked for.
You then use "instantaneous speed=length of card/time beam is broken" to calculate instantaneous speed. |
| what is displacement? | the straight-line length and direction between two points |
