Although can be applied in may way they require objects to have an . Forces can cause a change in shape (deformation) or a change in . Forces either involve two objects that are in physical contact ( forces) or two objects that interact though space ().

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?