15 Three boys are pushing horizontally a box placed on

Last updated: 6/10/2023

15 Three boys are pushing horizontally a box placed on horizontal table One is pushing towards north with a 5 3N force The second is pushing towards east and third pushes with a force 10 N such that the box is in equilibrium Find the magnitude of the force second boy is applying in newton UD0015 Scalar product of vectors 16 UD0016 Consider the two vectors L l 23 3k and 7 41 5j 6k Find the value of the scalar a such that the vector L al is perpendicular to L