The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________?

Related Mcqs:

Minimum potential energy of a system will be in the position of________________?

A. stable equilibrium B. unstable equilibrium C. neutral equilibrium D. all of the above...

A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will____________________?

A. never meet B. meet after 1 sec C. meet after 5 sec D. meet after 10 sec...

The graphical method of determining the forces in the members of a truss is based on________________?

A. method of joint B. method of section C. either method D. none of the two methods...

The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?

A. 1:2 B. 1:1 C. 2:1 D. 3:1...

A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?

1) 1.0 in from the wall 2) 1.732 m from the wall 3) 1.0 m above the floor 4) 1.732 m above the floor The correct answer is? A. (1) and (3) B. (1) and (4) C. (2) and (3) D. (2) and (4)...