Year 1 Mechanics- Chapter 8: Modelling in Mechanics, Modelling Assumptions 0.0 / 5 ? MathematicsMechanicsASEdexcel Created by: 13clarkenCreated on: 02-01-20 16:52 92471058316 Across 1. ... -Particle with a hole in it for threading on a wire or string. Assume is moves freely along a wire or string and that tension is the same on either side of the ... (4) 4. ... - Dimensions of the object are negligible. Assume the mass of the object is concentrated at a single point and rotational forces and air resistance can be ignored (8) 5. ... Assume that there is no friction between the surface and any object on it (6, 7) 6. ... and ... pulley -All pulleys you consider will be ... and ... Assume the pulley has no mass and tension is the same on either side of the bead (6, 5) Down 2. ... -Mass of the object is small compared to other masses, like a string or a pulley. Assume the object has zero mass and tension is the same at both ends of a ... string (5, 6) 3. ... -All dimensions but one are negligible, like a pole or beam. Assume mass is not concentrated along a line, no thickness and its rigid (3) 7. ... -Object with area but negligible thickness, like a sheet of paper. Assume the mass is distributed across a flat surface (6) 8. ... -Resistance experienced as an object moves through the air. Assume its usually modelled as being negligible (3, 10) 9. ... -Rigid thin length of metal. Assume its treated as one-dimensional (4) 10. ... -A support from which a body can be suspended or rested. Assume it is dimensionless and fixed and that it can be rough or smooth as specified in the question (3)
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