1) The unit that forces are measured in a) m b) m/s c) N d) kg 2) If the forces on a object are balanced it will a) speed up b) continue at a constant speed c) stop d) slow down 3) To calculate the speed of an object you need to know a) It's weight b) acceleration c) distance travelled d) distance travelled and time taken 4) Velocity is speed in a certain direction a) true b) false 5) If a car travels 500m in 100seconds what is its speed? a) 50m/s b) 5m/s c) 100m/s d) 500m/s 6) On a DISTANCE time graph a horizontal line means that a) the object has stopped b) the object is travelling at a steady speed 7) The steeper the line on a velocity time graph the greater the acceleration a) true b) false 8) To calculate acceleration we need to know the change in speed and the time taken a) True b) False 9) The thinking distance is NOT efffected by a) alcohol b) drugs c) tyre condition d) using mobile phone 10) The braking distance does not depend on a) condition of tyres b) speed of car c) wet road d) age of driver 11) The downward force on a skydiver is a) friction b) weight c) upthrust d) air resistance 12) When travelling at terminal velocity the forces on a skydiver are balanced a) True b) False 13) Opening a parachute decreases air resistance a) true b) false 14) What type of energy does a cycle have at the top of a hill? a) kinetic b) gravitational potential c) elastic potential d) thermal 15) The kinetic energy an object has depends on its a) mass and speed b) size c) shape d) air resistance 16) Momentum does not have direction a) True b) False 17) A stationary object has a small momentum a) true b) false 18) A go-kart with a mass of 100kg travelling at 5m/s has a momentum of a) 20 b) 100 c) 500 d) 0 19) The units of momentum are a) Kg b) m/s c) N d) kg m/s 20) The total momentum before a collision is not the same as the total momentum after a collision a) true b) false

Motion quiz - foundation

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