Wedge and blocks
In the above picture block A is moving left with velocity and the wedge (equilateral triangle) is moving right with velocity . Find the speed of block B (with respect to ground).
The answer is 1.732.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
Block B moves up on the wedge with velocity 2m/s, and also since the wedge too is moving we add both velocity vectors to find the net velocity. The horizontal components cancel out and block moves straight up with velocity 3 m/s.