Question

A machine is said to have low efficiency if it experiences a lot of energy loss to heat. How can a machine be made more efficient? a by increasing gravity b by increasing electrical energy c by reducing friction d by reducing magnetic energy

Answers

GPT 3.5
c by reducing friction

Reducing friction within a machine can help reduce energy loss to heat, ultimately increasing its efficiency. This can be achieved by using lubricants, optimizing the design of moving parts, and utilizing materials that have lower friction coefficients.