Draw the diagram of third class lever showing fulcrum, effort and load
1 answer:
Answer:
In a third class lever, the effort is located between the load and the fulcrum. If the fulcrum is closer to the load, then less effort is needed to move the load. If the fulcrum is closer to the effort, then the load will move a greater distance. ... These levers are useful for making precise movements.
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- initial velocity=u=0m/s
- Final velocity=v=25m/s
- Time=t=30s
Answer
a = 3.674 m / s ^ 2
t = 3.13 s
Using the kinematic equations for the movement we have:
(1)
(2)
Where:
= initial position
= initial velocity
a = acceleration
t = time in seconds
= final speed
We know:
h = 18 m
So:
From (2) we have that:
From (1) we have to:
Then we clear "a" to find the acceleration.
Then, the time it takes to reach this speed is: