explain the impact that changing pressure has on a system in a state of dynamic equilibrium what will happen when pressure on a reaction mixture at equilibrium and with fewer moles on the reactant side is increased

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?