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Questions (9)

A hammer and a feather are dropped from the same height by an astronaut on a planet without air. how will their falls compare?
1. 1 answer
2. 77 views
A shoe and a shirt are released from the same height. They take different amounts of time to fall to the ground. How can this be
1. 1 answer
2. 77 views
A shoe and a shirt are released from the same height. They take different amounts of time to fall to the ground. How can this be
1. 1 answer
2. 111 views
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation
1. 1 answer
2. 99 views
A person using a lever applies 98 newtons to lift a 20 kilogram box. They apply the force over a distance of 4 meters to lift
1. 1 answer
2. 131 views
How do simple machines make work easier
1. 1 answer
2. 101 views
which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?
1. 1 answer
2. 160 views
In this pulley system, the pulleys will _____ the mechanical force required to lift the block and will change the ______
1. 1 answer
2. 67 views
A person pushes a box. He applies a force of 400 newtons, and he pushes the box fora distance of 4 meters. After he stops
1. 1 answer
2. 146 views

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