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Q: Which of these is not a simple machine? A) a pair of scissors B) a lever C) a ramp D) the pulley
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What type of simple machine is an axe?
A) Lever
B) Wedge
C) Both A & B
D) The screw
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- Which of these is not a simple machine? A) a pair of scissors B) a lever C) a ramp D) the pulleyUsing a simple machine, a student is able to lift a 500N weight by applying only 100N. What is the mechanical advantage of the simple machine? .21550,000The device diagramed in the figure below is called an Atwood's machine. Let m1 = 2kg and m2 = 4 kg. Assume the pulley to be frictionless and massless.
- When does a machine act as (a) a force multiplier , (b) a speed multiplier .Rebekah is using a pulley system to lift a 710 N crate 2.4 m off the ground. The pulley system is 61% efficient. If Rebekah has to exert a force of 130 N, how much rope will she have to pull to lift the crate?Needed to be solved correctly in 10 minutes and get the thumbs up please show me neat and clean work for it