The ratio of output power to input power, in percent, is called
a. conductivity.
c. work.
b. efficiency.
d. horsepower.

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

What part of the ear is names after tools, such as the hammer and the anvil?