1) What is a moment? a) A long time b) A force acting downwards c) The pressure caused by weight d) The turning effect of a force 2) What are moments measured in? a) metres (m) b) Newton metres (Nm) c) Newtons (N) d) Pascals (Pa) 3) A lever is a simple machinc that works as a..... a) force multiplier b) force divider c) mass multiplier 4) The point around which a force is turning is called the...... a) trivet b) privet c) pivot d) seesaw 5) How do you increase a moment? a) increase the distance from the pivot b) increase the force c) both of the above 6) When are moments balanced? a) When the clockwise moment is the same as the anticlockwise moment b) When the clockwise moment is larger than the anticlockwise moment c) When the anticloclwise moment is larger than the clockwise moment d) When the 2 forces are the same distance apart 7) What is the formula for calculating a moment? a) moment = force / distance b) moment = force x distance c) moment = distance / force d) moment = force + distance 8) Which of these would be balanced? a) 50kg girl 5m from pivot and 75kg boy 4m from pivot b) 150kg tiger 3m from pivot and 200kg gorilla 4m from pivot c) 250kg motorbike 4m from pivot and 1000kg car 1m from pivot 9) Which of these would be balanced? a) 5N force 20cm from pivot and 10N force 15cm from pivot b) 60N force 3m from pivot and 90N force 2m from pivot c) 25N force 5cm from pivot and 20N force 4cm from pivot 10) Which of these would be balanced? a) A 100g apple 2m from pivot and a 150g orange 1.5m from pivot b) A 1.5kg chicken 1m from pivot and a 750g melon 2m from pivot c) A 300g cake 50cm from pivot and 250g loaf 400cm from pivot

Moments quiz

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