Match the machines with how they make work easier. 1. Inclined plane
2. Screw
3. Wedge
4. Lever
5. Wheel and Axle
6. Pulley

Possible answers:
A. Multiply the distance
B. Multiply the force
C. Multiply the distance and change direction
D. Multiply force & distance and change direction

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.