Ap Physics Review questions with correct answers

When an object undergoes acceleration CORRECT ANSWER a force is in play change in momentum CORRECT ANSWER impulse Newton's Third Law CORRECT ANSWER for every action there is an equal and opposite reaction F(x) formula (mass suspended by string with equal angles) CORRECT ANSWER ∑F(x)=Fcosθ−Tcosθ F(y) formula (mass suspended by string with equal angles) CORRECT ANSWER ∑F(y)=Fsinθ+Tsinθ−Fg F(x) formula (mass suspended by string with differing angles) CORRECT ANSWER ∑F(x)=T₁sinθ=T₂sinθ F(y) formula (mass suspended by string with differing angles) CORRECT ANSWER ∑F(y)=T₁cosθ+T₂cosθ Equation of torque of a bar CORRECT ANSWER T(L)sinθ-Fg(.5L) Conservation of momentum states CORRECT ANSWER momentum stays the same if there are no external forces momentum formula CORRECT ANSWER p=