What force is needed to make a 0.25-kg arrow and acceleration of 196 m/s/\2? (/\2 = squared) 0.25n 49 n 196 n 748 n

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy