Physics Formula ChallengeOnline version Test your knowledge of physics formulas from the University of Malta's SEC exam! by David 1 What is the formula for calculating kinetic energy? a KE = 0.5 * m * v^2 b KE = p * v c KE = m * a d KE = m * g * h 2 What is the formula for gravitational potential energy? a PE = m * v b PE = m * a c PE = m * g * h d PE = 0.5 * m * v^2 3 What is the formula for calculating work done? a W = p * v b W = F x s c W = F * v d W = m * g * h 4 What is the formula for calculating pressure? a P = F / A b P = W / t c P = m * g d P = V / t 5 What is the formula for the moment of a force? a moment = F x perpendicular length b moment = m x v c moment = m x g x h d moment = F x length 6 What is the formula for pressure in a liquid? a P = Q/T b P = W/t c P = F/A d P = hρg 7 What does the work done formula W = Fd represent? a Work done equals mass times velocity. b Work done equals force times distance. c Work done equals energy divided by time. d Work done equals pressure times volume. 8 How is energy converted in the work done formula? a Energy is always conserved. b Energy is lost as heat. c Energy cannot be converted. d Energy is converted when work is done on or by a system. 9 What is the formula for power? a P = mgh b P = Q/T c P = Fd d P = E/t 10 What does the quantity of heat formula Q = mcΔT calculate? a Heat transferred equals mass times specifi heat capacity times temperature change. b Heat transferred equals force times distance. c Heat transferred equals mass times velocity. d Heat transferred equals pressure times volume. 11 In the work done formula, what does 'W' stand for? a W stands for work done. b W stands for width. c W stands for wattage. d W stands for weight. 12 What unit is used for power in the formula P = W/t? a Joules (J) b Pascals (Pa) c Watts (W) d Newtons (N) 13 What does the variable 'h' represent in the pressure formula P = hρg? a h represents the perpendicular height of the liquid column. b h represents the gravitational constant. c h represents the volume of the liquid. d h represents the density of the liquid. 14 What does 'ΔT' represent in the quantity of heat formula? a ΔT represents the change in temperature. b ΔT represents the total time. c ΔT represents the pressure change. d ΔT represents the mass of the substance. 15 In the context of work done, what does 'F' represent? a F represents the frequency. b F represents the frictional force. c F represents the force applied. d F represents the final velocity.
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