motion and pressure 0.0 / 5 ? Physicsmotion and pressureGCSEAll boards Created by: emmarobinson95Created on: 13-06-17 19:04 definition for the word speed how far something travels in a particular time 1 of 17 state the unit of speed used in science metres per seconds (m/s) 2 of 17 what is the equation for speed distanced traveled over time taken 3 of 17 state what is meant by relative motion how fast one thing is moving compared to another 4 of 17 state what a distance/time graph shows how something moves 5 of 17 state what a slope in a distance time graph shows a constant speed 6 of 17 state what an arch in a distance/time graph means acceleration 7 of 17 state what happens to the speed of gas molecules when the temperature goes down move more slowly 8 of 17 state what happens to atmospheric pressure as you go up a mountain there is less atmospheric pressure making it harder to breath 9 of 17 what does incompressible mean can not be compressed 10 of 17 state what happens to liquid pressure as you go deeper into a lake there will be more pressure 11 of 17 state what direction pressure acts 90 degrees 12 of 17 state the equation for pressure force over area 13 of 17 state the units of pressure N/cm2 14 of 17 state the unit of a moment newton metres (nm) 15 of 17 state the law of moments when an object is in equilibrium, the sum of the clockwise moments is equal to the sum of the anticlockwise moments 16 of 17 describe what is meant by centre of gravity when it is above the pivot, there is no turning force; all the weight of an object acts through this point 17 of 17
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