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AS Level Physics U5 Quiz on Vector Triangles of Forces

Jeffrey Piggott 10 preguntas 1.863 visitas

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Preguntas del test (10)

  1. 1The diagrams show two ways of hanging the same picture.
    In both cases, a string is attached to the same points on the picture and looped symmetrically over a nail in a wall. The forces shown are those that act on the nail.
    In diagram 1, the string loop is shorter than in diagram 2.

    Which information about the magnitude of the forces is correct?     Imagen de la pregunta 1
    1. AAImagen de la opción A
    2. BBImagen de la opción B
    3. CCImagen de la opción C
    4. DDImagen de la opción D
  2. 2Two rigid rods, XZ and YZ, are fixed to a vertical wall at points X and Y.
    A load of weight W is hung from point Z.
    The load is not moving.

    Which diagram shows the forces acting at point Z?     Imagen de la pregunta 2
    1. AImagen de la opción A
    2. BImagen de la opción B
    3. CImagen de la opción C
    4. DImagen de la opción D
  3. 3Which two vector diagrams represent forces in equilibrium?
    Imagen de la pregunta 3
    1. AA P and Q
    2. BB Q and R
    3. CC R and S
    4. DD S and P
  4. 4A simple crane consists of a rigid vertical pillar supporting a horizontal beam.
    A weight W is lifted by a rope at the end of the beam.

    What are the forces at points X, Y and Z due to the weight W?     Imagen de la pregunta 4
    1. AA
    2. BB
    3. CC
    4. DD
  5. 5Three coplanar forces, each of magnitude 10 N, act through the same point of a body in the directions shown.

    What is the magnitude of the resultant force?
    Imagen de la pregunta 5
    1. AA 0 N
    2. BB 1.3 N
    3. CC 7.3 N
    4. DD 10 N
  6. 6The diagrams show three forces acting on a body.
    In which diagram is the body in equilibrium?     Imagen de la pregunta 6
    1. AA
    2. BB
    3. CC
    4. DD
  7. 7Which two vector diagrams represent forces in equilibrium? Imagen de la pregunta 7
    1. AA P and Q
    2. BB Q and R
    3. CC R and S
    4. DD S and P
  8. 8The diagram shows a sign of weight 20 N suspended from a pole, attached to a wall. The pole is kept in equilibrium by a wire attached at point X of the pole.
    The force exerted by the pole at point X is F, and the tension in the wire is 40 N.

    Which diagram represents the three forces acting at point X?
    1. AAImagen de la opción A
    2. BBImagen de la opción B
    3. CCImagen de la opción C
    4. DDImagen de la opción D
  9. 9A hinged door is held closed in the horizontal position by a cable.
    Three forces act on the door: the weight W of the door, the tension T in the cable, and the force H at the hinge.

    Which list gives the three forces in increasing order of magnitude?    Imagen de la pregunta 9
    1. AA H,T,W
    2. BB T,H,W
    3. CC W,H,T
    4. DD W,T,H
  10. 10A pendulum bob is held stationary by a horizontal force H. The three forces acting on the bob are shown in the diagram.
    The tension in the string of the pendulum is T. The weight of the pendulum bob is W.

    Which statement is correct?
    Imagen de la pregunta 10
    1. AA H = T cos 30°
    2. BB T= H sin 30°
    3. CC W = T cos 30°
    4. DD W = T sin 30°

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Descripción
Quiz for CIE AS Level Physics on U5 Vector Triangles of Forces.
Idioma
English
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