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Methodologically, this research employs a comprehensive approach, combining qualitative and quantitative analyses. Real-world case studies illustrate the impact of branding, social media campaigns, and website redesigns on consumer perception, sales figures, and profitability. We assess the various metrics, including brand awareness, customer engagement, conversion rates, and revenue growth, to measure the effectiveness of these strategies.
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19. 1st Class Lever
• Fulcrum is located between the effort and the resistance force
• Effort and resistance forces are applied to the lever arm in the
same direction
• Only class of lever that can have a MA greater than or less than 1
MA =1
Effort Resistance
Resistance Effort
MA <1
Effort Resistance
MA >1
20. 2nd Class Lever
• Fulcrum is located at one end of the lever
• Resistance force is located between the fulcrum and the effort
force
• Resistance force and effort force are in opposing directions
• Always has a mechanical advantage >1
Resistance
Effort
21. 3rd Class Lever
• Fulcrum is located at one end of the lever
• Effort force is located between the fulcrum and the resistance
• Resistance force and effort force are in opposing directions
• Always has a mechanical advantage < 1
Resistance
Effort
22.
23.
24. The mechanical advantage of
simple machines
It tells you how much a simple machine
is going to help you
The mechanical advantage of a lever is the
ratio of the length of the lever on the
applied force side of the fulcrum to the
length of the lever on the resistance force
side of the fulcrum.
31. Calculating the MA of Gears
• Example:
• 10 tooth Input gear
• 30 Tooth output gear
• MA = output/ input
• MA = 30/10
• MA = 3:1
• MA = 3 X the torque, 1/3 the speed output