Q1. The crate lies on a plane tilted at an angle theta = 27{rm ^circ} to the horizontal, with mu_k = 0.15.establish the acceleration of crate as it slides down the plane. If the crate starts from rest 8.15 {rm m} up the plane from its base, what will be the crate's speed while it reaches the bottom of the incline?

Q2. Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.