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
- 9 years agoFavorite Answer
CSource(s): Trust me I'm Psychotic...Errr I mean Psychologist!
- Anonymous9 years ago
forceSource(s): is my thinking