1) What force is the blue arrow? a) Weight b) Upthrust c) friction d) Thrust/driving force e) Reaction 2) What force is the green arrow? a) Weight b) Thrust c) Upthrust d) Reaction e) water resistance 3) What force is the red arrow? a) upthrust b) air resistance c) water resistance d) air and water resistance e) weight 4) What is the resultant force of this boat? a) Going up b) Going down c) Going left d) Going right 5) Which colour represent thrust? a) green b) yellow c) blue d) red e) orange 6) What force is the yellow arrow? a) Gravity/Weight b) Upthrust c) Thrust d) friction e) air resistance 7) What force is the green arrow? a) Gravity/Weight b) Upthrust c) Thrust d) friction e) air resistance 8) What is the resultant force? a) Forward b) Backward c) Up d) Down 9) What force is the orange arrow? a) Weight b) Upthrust c) Thrust d) friction e) air resistance 10) What force is the green arrow? a) Gravity/Weight b) Upthrust c) Thrust d) friction e) air resistance

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