A spring is streched 50mm by a force of 25N. What is the work done by the force?
To find the work done by a force, you need to calculate the product of the force and the displacement in the direction of the force.
In this case, the displacement is the amount by which the spring is stretched, which is given as 50 mm (or 0.05 m). The force applied to stretch the spring is given as 25 N.
Therefore, the work done by the force is:
Work = Force × Displacement = 25 N × 0.05 m = 1.25 J
So, the work done by the force is 1.25 Joules.