Name that machine
A _________ or a __________
A. Energy
B. Friction
C. Gravity
Lever
Screw
A. Energy
B. Friction
C. Gravity
A. Axe
B. Pickle Jar lid
C. Stairs
A. Energy
B. Friction
C. Gravity
A. A bicycle
B. A skateboard
C. A pencil sharpener
Wedge