What is the unit of resultant of a system of five forces?
Nm^5
N^5
Nm
N
The resultant force vector of a system of coplanar concurrent forces is given by F = 3i-6j. What will be the equilibrant force vector?
E=-3i-6j
E=3i+6j
E=-3i+6j
E=3i-6j
Which of the following statements is correct with relevance to force vectors?
Force vectors are parallel when dot product is zero
Force vectors are parallel when cross product is zero
Force Vectors are parallel when dot product is unity
Force Vectors are parallel when cross product is unity
Which of the following statements is true about a particle?
Size can be neglected. Mass cannot be neglected
Size & Mass cannot be neglected
Size & Mass can be neglected
Size cannot be neglected. Mass can be neglected.
Which law states that "equilibrium can mean that the particle is either at rest or moving in a straight line at constant speed"?
Newton's First Law
Varignons Law
Newtons Second Law
Law of Equilibrium
Which law/principle would be used to find graphically the resultant of two concurrent forces?
Parallelogram Law of Forces
Triangle Law
Principle of Transmissibility
Polygon Law of Forces
Define Equivalent couples
Couples that have the same resultant
Couples that have the same moment
Couples that have the same direction
Couples that have the same unit
What is the proper relation of Force, moment and position in vector form?
M = r dot F
M = F dot r
M = r cross F
M = F cross r
A force of 800 N is exerted on a bolt making an angle of 35 degrees with the horizontal. Calculate its horizontal and vertical components in order
649,455
459,655
455,649
655,459
Which of the following conditions related to equilibrium of particles in plane is incorrect?
Summation of Horizontal Forces is Zero
Summation of Vertical Forces is Zero
Resultant is Zero
Moment about any point is Zero