Anonymous
Anonymous asked in Education & ReferenceHomework Help · 9 years ago

3 Questions in Science need help !!! thanks?

1. A machine (1 point)

makes work easier to do.

changes the size of the force needed.

can change the direction or distance of the force.

all of the above

2. How can a machine make work easier for you? (1 point)

by decreasing the amount of work you do on an object

by changing the direction of your applied force

by increasing the work done by the machine

none of the above

3. How is the work output of a machine calculated? (1 point)

by measuring the input force

by calculating the output distance

by multiplying the output force by the output distance

by dividing the input force by the output force

2 Answers

Relevance
  • 9 years ago
    Favorite Answer

    D

    B

    C

    Source(s): Trust me I'm Psychotic...Errr I mean Psychologist!
  • Anonymous
    9 years ago

    force

    Source(s): is my thinking
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