Figure 1 shows a winch retrieving a geothermal probe vertically upwards from a deep borehole.
The winch lifts the probe through a vertical height of 12.5 m12.5\text{ m}12.5 m.
The work done against gravity on the probe is 43 750 J43\,750\text{ J}43750 J.
Calculate the weight of the geothermal probe [2].
Use the equation:
work done=force×distance moved in the direction of the force \text{work done} = \text{force} \times \text{distance moved in the direction of the force} work done=force×distance moved in the direction of the force