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- 1. Multiple ChoiceWhat is the force that causes objects to fall to Earth?Air resistanceGravityWater resistancePressure
- 2. Multiple ChoiceWhich of these is NOT a force?FrictionAir resistanceWater resistanceElectrical resistance
- 3. Multiple ChoiceWhat is the name of the units that we measure force in?EinsteinsNewtonsKgMetres
- 4. Multiple ChoiceIn which direction does gravity act?DownwardsUpwardsIn all directionsTowards the centre of the Earth
- 5. Multiple ChoiceWhich is the correct definition of a 'force'?An influence, which cannot be measured, that causes something to move, stop moving or change direction.An influence, which can be measured, that causes something to move, stop moving or change direction.Something which has power.An influence, which can be measured, that causes something to move.
- 6. Multiple ChoiceWhat force does a parachute use to slow things down before hitting the ground?FrictionAir resistanceWater resistanceWind
- 7. Multiple ChoiceWhat type of force is air resistance?ContactNon-contact
- 8. Multiple ChoiceWhen two objects rub together, what force do they produceGravityAir resistanceFrictionWater resistance
- 9. Multiple ChoiceWhat force does an aeroplane have to try to overcome so it is not slowed down too much?GravityAir resistanceWater resistanceFriction
- 10. Multiple ChoiceWhat affect does water resistance have on a boat?Just slows it downSlows it down AND helps it keep afloatMakes it sinkJust makes it float
- 11. Multiple ChoiceWhich of these would you not find in a 'simple machine'?A leverA micochipA pulleyA gear
- 12. Multiple ChoiceWhat is Rube Goldberg famous for drawing lots of examples of?Simple machinesParachutesBoatsSubmarines
- 13. Multiple ChoiceSimple machines allow......a smaller force to have a greater effect....a bigger force to have a smaller effect... a force to be stopped...a force to be used in a useful way.
- 14. Multiple ChoiceSimple machines allow......a smaller force to have a greater effect....a bigger force to have a smaller effect... a force to be stopped...a force to be used in a useful way.
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