1) How quickly something speeds up, slows down, or turns a) Acceleration b) Contact Force 2) A force that happens when things touch a) Contact Force b) Energy 3) The ability to make things happen or change a) Energy b) Force 4) A push or pull that can make things move or stop a) Force b) Friction 5) A force that slows things down when they rub against each other a) Friction b) Gravity 6) The force that pulls things towards the Earth a) Gravity b) Inertia 7) The tendency of things to keep doing what they're doing a) Inertia b) Kinetic Energy 8) The energy of movement a) Kinetic Energy b) Mass 9) How much stuff something is made of a) Mass b) Non-Contact Force 10) A force that acts on things without touching them a) Non-Contact Force b) Potential Energy 11) Stored energy a) Potential Energy b) Power 12) How quickly work is done a) Power b) Speed 13) How fast something moves a) Speed b) Velocity 14) Speed in a specific direction a) Velocity b) Work 15) The use of energy to move something a) Work b) Acceleration

Physics

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