Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
Simple Machines
Samantha builds a lever to lift objects in a science experiment. The load arm is 0.4 meters. If she wants the lever to have a mechanical advantage of 8, how long should the effort arm be?
1 answer
The effort arm should be 0.05 meters.
You can
ask a new question
or
answer this question
.
Related Questions
Gardeners would need to use 960 Newtons of force to lift a potted tree 45 centimeters onto a deck. Instead, they set up a lever.
A simple lever is used to lift a heavy load. When a 60-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m.
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
A certain lever system is only 30% efficient. What could make it more efficient?
Make a longer lever that will require less
A screw jack has 90 threads tothe metre. the effort is applied at the end of an arm 20cm long whatforce must be applied to lift
While lifting a load of 200N using lever an effort of 80N moved through a distance of 20cm to lift the load through a distance
A simple lever is used to lift a heavy load. When a 60-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m.
Match the words and their definitions
Load Class 1 Lever Load Arm Effort Arm Effort Class 3 Lever Class 2 Lever Fulcrum
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of
