Summaries after sample
, U1: Classes of single levers
• Single first-class lever – F is between the L and E.
U4: Single third-class levers • Single second-class lever - L is between the F and E.
• Single third-class lever - E is between the F and L.
• E is between F and L.
• Don’t provide MA.
• Can be joined permanently or turn at the
pivot.
• Moving pivot – linked lever connected to a
lever with a moving pivot that isn’t fastened
to the base and moves with the lever.
C6: Levers and
U2: Single first-class levers
Sample linkages
•
•
•
F is between L and E.
Linked with a fixed pivot.
One lever becomes the base.
Summaries after sample
U3: Single second-class levers
• F and E is at opposite ends – L is in between.
• Always gives MA.
• Joined at the end with a fixed pivot.
• Shaped in many ways.
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, Sample
Summaries after sample