1) A force is a) A spring b) An engine c) A movement d) A push or pull 2) Which answer shows three non-contact forces? a) magnetism, gravity, friction b) gravity, friction, upthrust c) gravity, static electricity, magnetism d) upthrust, static electricity, friction 3) An elastic material: a) does not stretch b) stretches and stays in its new shape c) stretches and then goes back to its original shape d) cannot be squashed. 4) What do most force meters have inside them? a) a light bulb b) a spring c) wires d) a battery 5) What are the units for weight and mass? a) weight=newtons, mass=kilograms b) weight=kilograms, mass=newtons c) weight=kilograms, mass=kilograms d) weight=newtons, mass=newtons 6) Which is true? a) Your weight would be the same on the Earth and on the Moon. b) Your mass would be the same on the Earth and on the Moon. c) Your weight would be more on the Moon than on the Earth. d) Your mass would be less on the Moon than on the Earth

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