Study

Turning forces

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  • Assuming the system is in equilibrium, calculate the missing distance d
    3.4m
  • True/False: Moment is a quantity that tells turning effect of a force about turning point.
    True
  • A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Suggest how to make the seesaw in equilibrium?
    Move the smaller person further from the pivot/ move the larger person closer to the pivot.
  • What is the moment produced by the 15N?
    1.5 Nm
  • Calculate the unknown force X!
    12 N
  • At what distance should a 2N load placed from the pivot so that the see saw won't move?
    0.45m
  • he diagram shows a beam. Without any weights, the beam balances at its centre. Three weights are hung as shown. At which point does a load of 2 N balance the beam?
    D
  • What is the unit of moment force?
    Nm
  • Calculate the weigh needed to balance the seesaw
    450N
  • Calculate the distance on the left.
    2.4m
  • State the equation for moment.
    Moment = Force x distance
  • What is the anticlockwise moment acting on this crane?
    100 000 Nm