Ahydraulic press for compacting powdered samples has a large cylinder which is 10.0 cm in diameter, and a small cylinder with a diameter of 2.0 cm. a lever is attached to the small cylinder as shown in the sample, which is placed on the large cylinder, has an area of 4.0 cm2.
what is the pressure on the sample if f = 270 n is applied to the lever?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s