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AS Level Physics U5 Quiz on Vector Triangles of Forces

Jeffrey Piggott 10 questions 1,863 views

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Questions in this quiz (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?     Image for question 1
    1. AAImage for option A
    2. BBImage for option B
    3. CCImage for option C
    4. DDImage for option 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?     Image for question 2
    1. AImage for option A
    2. BImage for option B
    3. CImage for option C
    4. DImage for option D
  3. 3Which two vector diagrams represent forces in equilibrium?
    Image for question 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?     Image for question 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?
    Image for question 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?     Image for question 6
    1. AA
    2. BB
    3. CC
    4. DD
  7. 7Which two vector diagrams represent forces in equilibrium? Image for question 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. AAImage for option A
    2. BBImage for option B
    3. CCImage for option C
    4. DDImage for option 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?    Image for question 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?
    Image for question 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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Description
Quiz for CIE AS Level Physics on U5 Vector Triangles of Forces.
Language
English
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