2. A person uses a screwdriver to turn a screw and insert it into a piece of wood. The person applies a force of 20 newtons to the screwdriver and turns the handle of the screwdriver a total distance of 0.5 meter. How would these numbers be different with a hammer and a nail instead of a screwdriver and a screw?
The force applied would be greater, but the distance would be shorter.
The force applied would be the same, but the distance would be greater.
The force applied would be less, but the distance would be greater.
The force applied would be the same, but the distance would be shorter.
3.
Force and Work Unit Test
3 of 14Items
Item 3
Use the diagram of the pulley system to complete the statement.
An illustration shows a system of two pulleys lifting a block.
In this pulley system, the pulleys will the mechanical force required to lift the block and will change the .
(1 point)
increase; the direction of the force
increase; the weight of the block
decrease; the direction of the force
decrease; the weight of the block
Answers: 2
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During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are
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There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.
Answers: 1
2. A person uses a screwdriver to turn a screw and insert it into a piece of wood. The person applie...
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