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Questions (7)

A team of students builds a lever as a science project. They expend 100 Joules of energy to lift some bricks with the lever. If
1. 2 answers
2. 129 views
One end of the lever is pushed down 2 meters to lift a heavy bag up to a surface 1 meter off the ground. If it takes 1000 N of
1. 2 answers
2. 129 views
What is the advantage of class 3 lever?
1. 2 answers
2. 59 views
It takes 1000 N of force to lift a go kart onto a work table. If the mechanic uses a pulley with a mechanical advantage of 4 to
1. 2 answers
2. 111 views
A gardener moves 5 kilograms bag of soil at an average acceleration rate of 4 m/s to her flower bed, a distance of 5 meters. How
1. 2 answers
2. 96 views
If you increase the voltage of an electric circuit, what happens to the current?
1. 2 answers
2. 75 views
hey does anybody have the answers to the full "Non-Contact Forces Unit Test" physical science for Conexus? please i really need
1. 5 answers
2. 443 views

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