Physics A H156: Forces in action Topical Past Paper Questions

A solid uniform wooden isosceles prism has a mass of 3.98kg. The corners of one of the triangular faces are P, Q and R. Fig. 4.1 (not to scale) A student determines the thickness of the prism to be 2.83 cm. (a) (ii) Calculate the density $ \rho $ of the wood. \rho = ___ kg m ^{-3…

(a) Two identical springs each have a force constant of $ 36 N m^{-1} $. In an experiment, the two springs are suspended from a fixed support as shown in Fig. 4.1. Fig. 4.1 The initial length of the spring arrangement is $ L_{0} $. An object of mass M is added to the spring arran…

(a) Droplets of water drip at a constant rate from a tap. The diagram below shows this dripping tap. Explain how you can deduce that the droplets are accelerating. (b) The diagram below shows a trolley loaded onto the back of a truck. The truck suddenly accelerates. The trolley i…