Question

Figure shows a wedge of mass $2kg$ resting on a frictionless floor. A block of mass $1$ kg is kept on the wedge and the wedge is given an acceleration of $5$ $m/se{c}^2$ towards right. Then:

• A. Block will remain stationary w.r.t. wedge
• B. The block will have an acceleration of $1$ $m/se{c}^2$ w.r.t. the wedge
• C. Normal reaction on the block is $11N$
• D. Net force acting on the wedge is $2N$

Answer 1

The correct option is C Normal reaction on the block is $11N$

$mg\times cos37+ma\times sin37=N$

$N=8+3=11N$