4. The efficiency of a machine is always less than 100 percent because (1 point)
a machine can...
Physics, 03.03.2020 00:53 bluedolphin9042
4. The efficiency of a machine is always less than 100 percent because (1 point)
a machine cannot have an IMA (ideal mechanical advantage) greater than 1.
some work input is lost to friction.
the work input is too small
the work output is too great.
Answers: 3
Physics, 21.06.2019 19:00
Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas
Answers: 2
Physics, 22.06.2019 21:00
The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?
Answers: 1
Physics, 23.06.2019 00:30
3. which is not a primary color of light? blue red green yellow
Answers: 1
English, 29.01.2020 11:46
Mathematics, 29.01.2020 11:46
Mathematics, 29.01.2020 11:46
Chemistry, 29.01.2020 11:46
Mathematics, 29.01.2020 11:46
Mathematics, 29.01.2020 11:47
Mathematics, 29.01.2020 11:47
Biology, 29.01.2020 11:47