Physics 0.0 / 5 ? AllPhysics testFunNone Created by: KatherineWilshCreated on: 20-02-15 20:06 What is acceleration The rate of change of velocity 1 of 20 What is the formula to find velocity velocity=distance/time 2 of 20 What is the formula for acceleration acceleration=change in velocity/time taken 3 of 20 what is acceleration measured in ms-2 4 of 20 what axis is time always on on a distance-time graph x-axis 5 of 20 On a distance-time graph what does the gradient show? The rate of change of distance 6 of 20 What do distance-time graphs show? The position of an object over time 7 of 20 What are forces measured in? newtons 8 of 20 What is weight? The pull of gravity of a planet on an object's mass 9 of 20 What instrument is used to measure forces? newtonmeter 10 of 20 Give the formula for weight weight=mass x gravity 11 of 20 What is constant and never changes mass 12 of 20 Name six common forces reaction, lift, upthrust, thrust, drag, friction 13 of 20 What is the formula for efficiency efficiency=useful energy produced/total energy supplied 14 of 20 give the formula for waste energy waste energy=total energy supplied-useful energy produced 15 of 20 If we cancel out forces in opposite directions what is left over The resultant force 16 of 20 Name six types of energy light, heat, sound, solar, electrical, kinetic 17 of 20 In a sankey diagram which way does useful energy go straight on 18 of 20 Give the formula for power power=energy/time 19 of 20 What is power The rate of changing energy 20 of 20
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