One of the following is not a vector quantity. This one is :
(a) displacement (b) speed (c) acceleration (d) velocity
(b) Speed is a scalar quantity. Speed has only magnitude and Velocity has both magnitude and direction.
Fill in the following blanks with suitable words:
(a) Displacement is a ...................quantity whereas distance is a ...............quantity.
(b) The physical quantity which gives both, the speed and direction of motion of a body is called its .............
(c) A motorcycle has a steady...........of 3 m/s2. This means that every.............its ......... increases by ..........
(d) Velocity is the rate of change of .............. It is measured in ..............
(e) Acceleration is the rate of change of....................... It is measured in.....................