JAMB - Physics (2019 - No. 87)
An object is acted upon by a system of parallel forces causing the object to be in state equilibrium. Which of the following statement is not correct
the resultant of the parallel forces is zero
the algebraic sum of all the moments of the forces is zero
all the parallel forces must not be equal in magnitude and direction
the sum of forces in one direction must be equal to the sum of forces in the opposite direction
คำอธิบาย
all the parallel forces must be equal in magnitude and direction