Moments, levers and gears

EasyMedium
12345678910111213141516171819202122232425262728293031323334353637383940
Question 40
Medium

Figure 1 shows a rescue worker attempting to lift a fallen stone column using a steel beam as a lever.

The column has a weight of 2400 N. The rescue worker can exert a maximum downward force of 450 N at the end of the beam.

Figure 1: Lever system used to lift a stone column

Explain, using calculations, why the rescue worker is unable to lift the stone column.

[3]

Moments, levers and gears Questions

  1. GCSE
  2. /Physics
  3. /Moments, levers and gears