section 2 what is a machine

Question 1

what is the work that you do on a machine

Answer 1

work input

Question 2

what is the work done got the machine

Answer 2

work output

Question 3

what is the force of work input

Answer 3

input force

Question 4

what is the force of work output

Answer 4

output force

Question 5

can work output be greater than work input

Answer 5

no

Question 6

what happens when a machine changes the size of the force

Answer 6

distance is exerted

Question 7

what is the number of times the machine multiplies force

Answer 7

mechanical advantage

Question 8

what is the equation of mechanical advantage

Answer 8

ma= output force divided by input force

Question 9

what happens when a machine that has a mechanical advantage of 1

Answer 9

it can help move or lift heavy objects

Question 10

what is a comparison of a machines work output with the work input

Answer 10

mechanical efficiency

Question 11

what is the equation of mechanical efficiency

Answer 11

me= work output divide by work input x 100

Question 12

what is a machine that had 100% mechanical efficiency

Answer 12

ideal machine

Question 13

what is a device that makes work easier by changing the size or direction of a force

Answer 13

machine