A car breaks down 2.1m from the shoulder of the road, 200N of force is used to push the car off the road. How much work has been done on the car?

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

If a simple machine reduces the strength of a force, what must be increased?

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?