What is the weight on earth of a person with a mass of 50 kilograms

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.