Question

A body makes a displacement of 8m due East from a point O and then makes displacement of 6 m due North. Its resultant displacement from O * (a)70 m (b)10m (c)50 m (d)12 m​

Answer 1

Answer:

Consider, east direction to be x-direction, north direction to be y-direction and vertically upward direction to be z-direction.

Displacement of the particle is given by    

S

=8  

i

^

+6  

j

^

​

+10  

k

^

 

Magnitude of displacement  ∣  

S

∣=  

6  

2

+8  

2

+10  

2

 

​

=10  

2

​

 m