You are using a steel crowbar to lift a big rock, with a smaller stone as a fulcrum at the center of the crowbar, but you are not quite able to lift the rock. what can you change about this setup to lift the rock? choose the correct answer and explanation. move the small stone (the fulcrum) farther from the large stone. this gives you a greater lever arm. move the small stone (the fulcrum) closer to the large stone. this gives you a lower lever arm. move the small stone (the fulcrum) farther from the large stone. this gives you a lower lever arm. move the small stone (the fulcrum) closer to the large stone. this gives you a greater lever arm.
Answers: 3
Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a Ă— b = 98k. what is the y-component of vector b?
Answers: 1
Physics, 22.06.2019 09:30
True or false graphs must include scales that increase by the same amount
Answers: 3
You are using a steel crowbar to lift a big rock, with a smaller stone as a fulcrum at the center of...
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