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Newton's Laws

カード 22枚 作成者: Stoneman (作成日: 2014/01/05)

  • sitade

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  • 1

    sitade

    補足(例文と訳など)

    答え

    • the total force acting on an object

    解説

  • 2

    Force diagrams

    補足(例文と訳など)

    答え

    • combine pictures and arrows to show all the forces acting on a single object

    解説

  • 3

    Balanced

    補足(例文と訳など)

    答え

    • the total forces exerted on one object in one direction are equal in strength to the total forces exerted on the object in the opposite direction

    解説

  • 4

    Unbalanced

    補足(例文と訳など)

    答え

    • the total forces exerted on an object in one direction are greater than the total forces exerted on the object in the opposite direction

    解説

  • 5

    Inertia

    補足(例文と訳など)

    答え

    • the tendency objects have to maintain their state of motion, be it standing still or moving at a constant speed in a straight line. Objects with more mass have greater inertia.

    解説

  • 6

    Equilibrium

    補足(例文と訳など)

    答え

    • occurs when forces on an object are balanced

    解説

  • 7

    Friction

    補足(例文と訳など)

    答え

    • force that opposes motion

    解説

  • 8

    Coefficient of friction

    補足(例文と訳など)

    答え

    • the ratio of the frictional force between two objects in contact to the normal force with which the objects press together

    解説

  • 9

    Sliding friction

    補足(例文と訳など)

    答え

    • the friction between two bodies that are in sliding contact

    解説

  • 10

    Static friction

    補足(例文と訳など)

    答え

    • the maximum net force that can be applied before an object starts sliding

    解説

  • 11

    Coefficient of static friction

    補足(例文と訳など)

    答え

    • the ratio of the frictional force preventing two objects in contact with each other from sliding or rolling against each other to the normal force with which the objects press against each other

    解説

  • 12

    Normal force

    補足(例文と訳など)

    答え

    • the force perpendicular to two surfaces which are moving relative to each other

    解説

  • 13

    lubricant

    補足(例文と訳など)

    答え

    • fluids that keep surfaces from touching each other

    解説

  • 14

    ball bearings

    補足(例文と訳など)

    答え

    • small balls of steel that change sliding motion into rolling motion

    解説

  • 15

    mass

    補足(例文と訳など)

    答え

    • a measure of the amount of matter in an object. The SI unit of measurements are kilograms (Kg)

    解説

  • 16

    weight

    補足(例文と訳など)

    答え

    • another name for the force of gravity. A newton is the SI unit for measuring weight where weight = mass x acceleration

    解説

  • 17

    Gravitational force

    補足(例文と訳など)

    答え

    • a pulling interaction between any two objects in the universe as a result of their mass. The strength of the gravitational pull depends on each objects mass and the distance the objects are seperated from each other.

    解説

  • 18

    Acceleration due to gravity

    補足(例文と訳など)

    答え

    • gravity causes all free falling objects to accelerate at 9.8m/s^2 The symbol is a lowercase italicized g.

    解説

  • 19

    free fall

    補足(例文と訳など)

    答え

    • an object moving the sole influence of gravity

    解説

  • 20

    air resistance

    補足(例文と訳など)

    答え

    • the resisting effect on a moving object due to friction of air

    解説

  • 21

    Terminal velocity

    補足(例文と訳など)

    答え

    • the maximum speed at which an object falls when limited by air friction.

    解説

  • 22

    Momentum

    補足(例文と訳など)

    答え

    • the tendency of an object to keep going in the same direction with the same speed

    解説

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