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OC27 Physical Sci-2003310-S1-Keuten-DAquino
Lab: Kinetic Energy
Question 3
3
Assignment
Multiple Choice
Lab: Kinetic Energy
Question 3 • (OC27) Physical Sci-2003310-S1-Keuten-D'Aquino
Which simple machine is a doorknob?
Answer
A
a lever
B
a screw
C
a pulley
D
a wheel and axle
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