What is the difference between a scalar and a vector? Give 3 examples of each.

A scalar is a quantity that has only magnitude (size)
E.G Distance, Speed, Temperature
A vector is a quantity that has magnitude and a direction.
E.G Displacement, Velocity, Change in Temperature.

MK

Related Physics A Level answers

All answers ▸

How do I derive Kepler's 3rd law using Newton's Law of gravitation, in the case of a circular orbit?


State what is meant by a Doppler shift and describe how it was used to study the movement of galaxies.


Two pendulums consist of a massless rigid rod of equal length attached to a small sphere of equal radius, with one sphere hollow for one pendulum and the other solid. Each pendulum undergoes damped SHM. Which pendulum has the largest time period?


A block of mass m is released from rest on a surface inclined at 30⁰ to the horizontal with a coefficient of friction of 0.3. How long does it take for the block to slide 1 m?