The necessary condition for forces to be in equilibrium is that these should be_____________________?
A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else
A. coplanar
B. meet at one point ;
C. both A. and B. above
D. all be equal
E. something else
A. j-2
B. 2j-l
C. 2/-3
C. 3/-2
E. 2/ -4
A. 25
B. 50
C. 100
D. 250
E. 500
A. at distance — from the plane base 3r
B. at distance — from the plane base 3r
C. at distance — from the plane base 3r
D. at distance — from the plane base or
E. at distance — from the plane base
A. h/2
B. J/3
C. h/6
D. h/4
E. 3/i/5
A. arm of man
B. pair of scissors
C. pair of clinical tongs
D. all of the above
E. none of the above
A. straight line
B. parabola
C. hyperbola
D. elliptical
E. part of a circle
A. mechanical advantage is greater than velocity ratio
B. mechanical advantage is equal to velocity ratio
C. mechanical advantage is less than velocity ratio
D. mechanical advantage is unity
E. none of the above
A. 38 m
B. 62.5 m
C. 96 m
D. 124 m
E. 240 m
A. friction
B. limiting friction
C. repose
D. kinematic friction
E. static friction