1) What is the unit of Force? a) Gravity b) Newton c) Joules d) Celsius 2) What is shown between points B and C? a) Accleration b) Slowing Down c) Staionary d) Constant Speed 3) What does the green area show? a) The gradient b) Square and Triangle c) Distance d) Units measured 4) What does area A show? a) Accleration b) Constant speed back c) Accleration away d) Constant speed away 5) What is shown between points B and C? a) Deceleration b) Stopped c) Accleration d) Comming back to start 6) What does area B show? a) Constant speed b) Stopped c) Deccleration d) Speed 7) What does area C show? a) Deccleration b) Accleration back to start c) Accleration d) Constant speed 8) Which is the correct formula for accleration? a) change in speed / time b) distance / time c) speed/time d) time/ speed 9) A car acclerates from 0m/s to 20m/s in 8 seconds. What is its accleration? a) 2.5m/s b) 8m/s/s c) 2.5m/s/s d) 20m/s/s 10) Forces always come in pairs? a) True b) False 11) On a book on a table what is the relationship between gravity and reaction force? a) Gravity larger than reaction force b) reaction force bigger than gravity c) reaction force smaller than gravity d) Gravity the same size as reaction force 12) Which of the following will affect thinking distance? a) Tyre conditions b) Ice on road c) Distractions d) Speed 13) A speed camera catches people by doing what? a) taking a photo with the car and a speed limit sign b) timing the car c) timing the car with 2 photos over acertain distance d) police have to be present 14) Calculate the workdone to lift a brick with a force of 5N to a wall 20m high a) 100N b) 25J c) 100J d) 25N 15) Why do cars have crumple zones? a) Because the metal is cheaper b) Softens impact c) To absorb Energy in crash d) Just the way it is 16) What type of Energy just does the oblivion ride have at this moment? a) kinetic b) thermal c) gravitational potential d) elastic potential 17) KE=1/2mv2 - why does a bus hitting you at 30mph do more damage then a car hitting you at 30mph? a) bigger mass means less KE so more damage b) the bus was faster c) It wouldn't d) Bigger mass means more kinetic energy 18) Terminal velocity is when an object can get faster a) True b) False 19) A skydiver at terminal velocity has air resistance and gravity acting on them but balanced. a) True b) False 20) What will be the biggest force acting on a skydiver when they first open the chute a) Weight b) Air resistance

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