Salma Ahmed
English Lit. GCSE Student
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Motion due to a Steady Force - Lab
- Words:
- 1021
- Submitted:
- Sat Mar 21 2009
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Have a little read: ... Motion due to a steady force Aim Verify Newton's 2nd law of motion Variables Independent: mw - Mass of the weight mt - Mass of the trolley (controlled, kept constant) s - Distance (controlled, kept constant) Dependent: ?t - Time (measured) a - Acceleration (calculated from measured time and distance) F - Pulling Force (calculated from mass mw) Fair test: We presume this test to be fair, because all variables of the system are kept constant, except mass of the weight that generates pulling force that we presume affects the acceleration of the trolley, which is what we want to measure. Materials - trolley - 10 different weights (for 10 different trials) - string (to make the trolley travel in a straight line and have the weights pull it down... the weights are tied to the string which is tied to the trolley.) - vice (to make sure the trolley doesn't fall and to make it drive in a straight line) -wooden wedges (to make the table into
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