Forces, deformation & Electricity, Study notes of Physics

Forces, deformation & Electricity

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2022/2023

Available from 05/12/2023

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(iii) The hinge exerts a force on the beam at end A.

Calculate the horizontal component of this force.

horizontal component of force = ..................................................... N [1]

(iv) The block is now placed closer to point D on the beam.

State whether this change will increase, decrease or have no effect on the tension in the

wire.

..................................................................................................................................... [1]

(v) The stress in the wire is 5.3 ) 10

7

Pa. The wire is now replaced by a second wire that has

a radius which is three times greater than that of the original wire. The tension in the wire

is unchanged.

Calculate the stress in the second wire.

stress = .................................................... Pa [2]

[Total: 9]