Question

According to newton's third law of motion action and reaction 8
a.always act on the same body
b.always act on different bodies in opposite direction
c.have same magnitudes and direction
d.act on either body at normal to each other

Answer 1

we always act on different bodies in opposite direction

Answer 2

According to ‘newton's third law’ of motion action and reaction is always act on different bodies in opposite direction.

Option: (b)

Explanation:

• Newton's third law states that the action and reaction always exists in pair and they are equal and acts on the opposite direction.  

• They act on ‘different bodies’ otherwise the two forces being equal and opposite would have cancelled each other.  

• For example the motion of the rocket is an example of the ‘third law of motion’.

• When the gases are released at a very high speed from the rocket, the rocket is compelled to move on the opposite side due to the third law of Newton.