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Gravitational fields flashcards
28 cards drawn from the 4 lessons of gravitational fields: 7 definitions, 14 recall prompts, 3 off-sheet equations and 4 spot-the-error cards. Grade yourself and the deck reschedules each card at staged intervals, from the next day out to three weeks.
Year 13 · Gravitational fields lessons · all 851 cards
Every card in this unit
Click any card to try it in the player above; the card itself links the lesson that teaches it.
- Force fieldDefine
- State the origins of the three force fieldsRecall
- State what field-line spacing showsRecall
- State the appearance of a uniform field on a field-line diagramRecall
- The field conceptSpot the error
- Gravitational field strengthDefine
- Newton's law of gravitationDefine
- State where r is measured from in the inverse square lawRecall
- State the effect on g of doubling the distance from the centreRecall
- Newton's law of gravitationSpot the error
- Gravitational potentialDefine
- State the sign of gravitational potentialRecall
- State the equation for gravitational potential in a radial fieldRecall
- State how to find gravitational field strength from a V against r graphRecall
- State how to find the change in potential from a g-r graphRecall
- Gravitational potentialSpot the error
- Geostationary orbitDefine
- State the defining property of a geostationary satelliteRecall
- Escape velocityDefine
- Kepler's third law for circular orbitsDefine
- State the radius of the geostationary orbitRecall
- State the effect of dropping to a lower orbit on a satelliteRecall
- State Kepler's first two laws of planetary motionRecall
- Explain why a planet moves fastest at perihelionRecall
- Orbit condition: gravity as the centripetal forceEquation
- Kepler's third law, from NewtonEquation
- Escape velocityEquation
- Orbits and satellitesSpot the error
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