1) Which of these is the correct equation? a) speed= distance / time b) distance = speed / time c) time = distance x speed d) speed = distance x time 2) What does a horizontal line on a distance time graph tell us? a) steady speed b) speeding up c) slowing down d) stationary 3) What does a straight diagonally upwards line on a distance-time graph tell us? a) stationary b) steady speed c) speeding up d) slowing down 4) (Using the equation: acceleration = change in speed / time) What is the acceleration if an object goes from stationary to 35 m/s in 5 seconds? a) 5 m/s² b) 0.14 m/s² c) 175 m/s² d) 7 m/s² 5) What are the units of speed? a) ms b) m/s c) s/m d) sm 6) What are the units of force? a) Newtons b) Joules c) Pascals d) m/s 7) What does a flat horizontal line on a speed - time graph tell us? a) speeding up b) stationary c) steady speed d) slowing down 8) If 2 cars travel with the same force, then the smaller mass car will have a greater acceleration a) True b) False 9) (Using equation: force = mass x acceleration) A car has a mass of 1000 kg and it accelerates at 20 m/s², what is the force from its engine? a) 200 N b) 20,000 N c) 50 N d) 2,000 N 10) Which of these factors will increase a drivers thinking distance? a) icy road b) bald tyres c) poor brakes d) drinking alcohol 11) Which of these will increase a drivers braking distance? a) wet road b) tiredness c) distractions d) taking drugs 12) Which of these will increase BOTH thinking and braking distance? a) drinking alcohol b) wet road c) more speed d) distractions 13) What is the unit of Work done? a) Newtons b) Joules c) Pascals d) m/s 14) What is the unit of power? a) Joules b) Newtons c) Watts d) Pascals 15) What is the correct name for movement energy? a) Thermal b) Gravitational Potential c) Elastic d) Kinetic 16) The force which makes an object fall is a) friction b) air resistance c) weight d) drag 17) Why doesnt an object experience drag on the moon? a) no mass b) no gravity c) no atmosphere 18) An object will reach a Terminal Velocity when, a) The upwards force is greater than the downwards force b) The downward force is greater than the upward force c) the forces are balanced 19) When an object is lifted against gravity what energy is stored in it? a) Gravitational Potential Energy b) Kinetic Energy c) Elastic Energy d) Sound Energy 20) As a roller coaster travels downhill, what is the MAIN energy transfer which is occurring? a) GPE to Heat b) KE to GPE c) GPE to KE d) GPE to Sound 21) What is the unit of charge? a) seconds b) coulombs c) amperes d) volts 22) Which of the following is a vector quantity? a) velocity b) mass c) distance d) kilograms 23) If Jo has a mass of 50kg what would she weigh on the moon (gravitational field strength = 1.6N/kg) a) 500N b) 80kg c) 80N d) 500kg 24) An isotope is an atom of the same element with a different number of ..... a) protons b) neutrons c) electrons 25) Energy is generated in nuclear power stations by .. a) fission b) fusion c) heating d) melting 26) What charge do alpha particles have? a) +1 b) -2 c) 0 d) +2 27) Which radioactive particle is stopped by a thin sheet of aluminium? a) alpha b) gamma c) nuclear d) beta 28) What is the largest source of background radiation in the UK? a) Medical uses b) Cosmic rays c) Food & drink d) Radon gas 29) Which of the following does not use radioactive materials? a) Food industry b) Cosmetics industry c) Metal works d) Water industry 30) Which has the greatest penetrating power? a) gamma b) alpha c) beta d) fission

P2 Revision EDA

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