0 0 votes Block $P$ of mass $2$ kg slides down the surface and has a speed $20 \: m/s$ at the lowest point, $Q$, where the local radius of curvature is $2$ m as shown in the figure. Assuming $g=10 \: m/s^2$, the normal force (in $N$) at $Q$ is ____ correct to two decimal places. Engineering Mechanics gateme-2018-set1 numerical-answers engineering-mechanics applied-mechanics-and-design + – ♦Arjun 268 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.