1) What is the unit of Force? a) Gravity b) Newton c) Joules d) Celsius 2) Look at the graph, what is the speed of the person running ? a) 1.2 m/s b) 0.8 m/s c) 12 m/s d) 120 m/s 3) What does line a show? a) The person is walking quickly b) The person is running up a hill c) The person is not moving 4) What is shown between points C and D? a) Deccleration b) Stopped c) Accleration d) The bus is reversing 5) What does area b show? a) Constant speed b) Stopped c) Deccleration d) The runner has fallen asleep 6) Which is the correct formula for speed? a) force / area b) distance x time c) distance/time d) time/ speed 7) Forces always come in pairs? a) True b) False 8) A book is placed on a table, are the forces acting on the book balanced or unbalanced? a) Balanced b) Unbalanced 9) A skydiver has two forces acting on him, what are they? a) gravity and upthrust b) air resistance and upthrust c) air resistance and gravity d) push and pull 10) What will be the biggest force acting on a skydiver when they first open the chute a) gravity b) air resistance 11) What piece of equipment do we measure force with? a) Scales b) Our hands c) Newton meter d) Ruler 12) Which one of these forces is a non- contact force a) Push b) Air resistance c) Friction d) Static elecricity 13) Which one of these is a contact force? a) gravity b) static electricity c) upthrust 14) What is the force called that keep us from sinking into the ground a) gravity b) reaction force c) friction 15) What direction does gravity pull us a) upwards b) downwards c) towards the centre of the earth d) sideways 16) When upthrust is bigger than gravity the boat will a) float b) sink c) bob up and down

forces quiz

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