Term
| Check on particle changing direction |
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Definition
| Happens at V=0. If velocity changes signs over amount of time. |
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Term
| How to find time when particle changes direction |
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Definition
| Finds "zeroes" of velocity equation |
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Term
| Determine relative velocity & position w/ pulleys |
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Definition
| Find relation with overall length = different individual lengths |
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Term
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Definition
| Tangential & Normal Coordinates |
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Term
| Polar/Cylindrical Coordinates |
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Definition
| Tranverse-Theta, Radial-R |
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Term
| Direction of Tangential & Normal (Parabolic, Circle, Straight) |
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Definition
| Par&Circle-Normal towards center of radius, tangential in direction travel...Straight-either up or down... Tang-straight along path direction |
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Term
| Radial & Tranverse direct |
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Definition
| Er need to be in direction R from origin...tranverse up away from surface(counter 90 from Er) |
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Term
| Finding acc. w/speed constant on circle |
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Definition
| use 2nd comp. -> V^2/p * en only ....other is zero |
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Term
| Get velocity after certain time? |
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Definition
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Term
| Want Normal force on non-straight path |
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Definition
| Use only Fn=m*v^2/p component |
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Term
| Using R&Theta comp, have 1 that = 0 |
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Definition
| Guess an integral & to get derivative that=0 to get constant.(Q2#3) |
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Term
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Definition
| Work = integral F*dr....=T2-T1 |
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Term
| Work-Energy for U(1-2) take what into account? |
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Definition
| Work of Gravity & Friction!(and spring if there is one) |
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Term
| Work-Energy alternate solutions? what changes |
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Definition
| Placement of T1, if have velocity it exists, if from rest=0 |
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Term
| With Work from spring(-.5ks^2) involved what use to get solution |
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Definition
| Quadratic formula!Use only positive roots |
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Term
| Impulse-Momentum ->what need to conserve? |
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Definition
| No external forces on the collision |
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Term
| Central vs. Oblique Impact |
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Definition
| direction of motion of the mass centers of the two colliding particles is along a line of impact vs. motion of one or both of the particles is at an angle with the line of impact |
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Term
| Ang. Momentum conservation equation? |
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Definition
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Term
| Ang.Mom the Mo is summation of? |
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Definition
| Forces cross radius in each direction (er,etheta,k) |
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Term
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Definition
| If one of i or j calcs gives w=0 then there is slip |
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Term
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Definition
| If given Velo & acc center curvature-Path...Polar-for anything with change in theta |
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Term
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Definition
| acc. relative *(unit vector) |
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Term
| Steps needed when asked for ang.acc. w/rotating reference frames |
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Definition
| Use longest equation...solve for every component first, drop a^rel, separate into components plug & chug |
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Term
| Rotation of Fixed body about fixed axis what need? |
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Definition
| Force in normal & tangential. Moment about G(center gravity) |
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Term
| Radius Gyration what equation use |
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Definition
| Ig=mk^2 ...radius gyration is k |
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Term
| What cancels in rotational motion when start from rest? |
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Definition
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Term
| Rolling, w/no slip...use omega & r to get ? |
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Definition
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Term
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Definition
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