June 2025 Paper 2 Q11

11 An object is pulled along a horizontal surface. The normal reaction between the surface and the object is 125 newtons.

The object experiences a constant frictional force of 40 newtons.

Find the value of the coefficient of friction.

Circle your answer. [1 mark]

• 0.245
• 0.32
• 0.5
• 3.125