what mechanical advantage does a hydraulic press punching holes in a metal sheet with a force of 800 N and using only 200 N and provide your answer as a ratio ​

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.