Physics AS Questions to test knowledge of unit 1: Physics on the go. Includes Mechanics and Materials. 3.0 / 5 based on 11 ratings ? PhysicsForcesASAll boards Created by: DominiqueCreated on: 20-12-09 16:43 Scalar and Vectors · What is the difference between a scalar and a vector quantity? · State a common scalar quantity · State a common vector quantity · What is the formula for Pythagoras? · When adding vectors together, what must you make sure they are? 1 of 17 Equations of Motion · What does uniform acceleration mean? · What are the four equations of motion? · When do these equations only apply? · What is the formula for acceleration? 2 of 17 Newton's Laws Of Motion · State Newton’s 1st Law · State Newton’s 2nd Law and what is the equation? · Do all objects fall at the same rate? · State Newton’s 3rd Law 3 of 17 Weight, Mass and the Centre of Gravity · What is the equation for finding the weight of an object? · What is the equation for gravitational field strength? · What is Density? · What is the equation for Density? · What unit is Density measured in? · When will an object be stable? 4 of 17 Forces · If a body is in equilibrium, the forces must be...? · What do free body force diagrams show? · What is the equation for finding the vertical force? Horizontal force? 5 of 17 Work · When is work done? · What is the equation for finding work done? · What does the equation assume? · When do you use vertical and horizontal components when solving work done? · When work is done against a gravitational force what do you get? · When work is done against friction what do you get? · What is the definition of a Joule? 6 of 17 Power · What is the definition of Power? · What are the two equations for solving Power? · What is the definition of a Watt? · What equation would you use if the force and motion of an object were acting in different directions? 7 of 17 Mechanics in the Real World · What is the equation for Stopping Distance? · What is the equation for Thinking Distance? · What are the three main things Car safety features are designed to do? · What is the only force acting on projectiles? 8 of 17 Conservation of Energy · What is the principle of conservation of energy? · What is the equation to work out kinetic energy? · What are the two equations that can be used to work out gravitational potential energy? · What is the equation to work out elastic potential energy? 9 of 17 Hookes Law · What is the definition for Hookes Law? · In relation to springs, what does tensile mean? Compressive? · What will a graph look like if Hookes Law is being obeyed? · Where on a graph is the Elastic Limit? · What does elastic mean? Plastic? 10 of 17 Youngs Modulus · What is the equation for Youngs Modulus? · From a Stress against Strain graph how would you work out Youngs Modulus? · Which part of the graph will give you the stored energy? 11 of 17 Stress and Strain · What is the equation for Stress? · What is the equation for Strain? · What is the definition for the breaking stress of a material? · What is the definition for the ultimate tensile stress of a material? · What is Elastic strain energy and how would you find it using a graph? 12 of 17 Behaviour of solids · What is the definition for: § Brittle? § Ductile? § Malleable? § Hard? § Stiff? § Tough? · What is the Yield Point of a material? 13 of 17 Velocity-Time Graphs · What does the gradient of a velocity-time graph give you? · What does the area under the graph represent? · If the velocity-time graph is curved what does this tell you? 14 of 17 Displacement-Time Graphs · If the Displacement-Time graph is curved what does this tell you? · If the graph has a steep gradient is the acceleration smaller or bigger? · What does the gradient tell you? · What is the equation for velocity? 15 of 17 Streamlines and Flow · What is streamline flow? · What is turbulent flow? · What is an eddy current? · What is the definition for viscous drag? 16 of 17 Viscosity · If the viscosity of a fluid is high, what is the rate of flow? · What will happen to the viscosity of a fluid if the temperature increases? · What is the equation for the rate of flow? · What is the equation for Stokes Law? 17 of 17
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