Erica uses a door knob to open a door. A door knob is an example of a wheel and axle. The knob of the door is the wheel and the shaft is the axle. As Erica turns the knob, the shaft is also turned, and the door opens. The knob of a door always has a larger radius than the shaft so that the distance over which the force is applied in order to the effort force needed to open the door.
A. Decreases, decrease
B. Increases, increase
C. Decreases, increase
D. Increases, decrease​
Answers: 1
Biology, 22.06.2019 14:30
Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals
Answers: 3
Biology, 22.06.2019 19:30
Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.
Answers: 2
Biology, 22.06.2019 20:30
The effect of a hormone on a target cell may be decreased by the presence of
Answers: 2
Erica uses a door knob to open a door. A door knob is an example of a wheel and axle. The knob of th...
Mathematics, 10.11.2020 23:20
Mathematics, 10.11.2020 23:20
Mathematics, 10.11.2020 23:20
Chemistry, 10.11.2020 23:20
History, 10.11.2020 23:20
Health, 10.11.2020 23:20
Mathematics, 10.11.2020 23:20
Arts, 10.11.2020 23:20
World Languages, 10.11.2020 23:20
Mathematics, 10.11.2020 23:20
History, 10.11.2020 23:20
History, 10.11.2020 23:20
Mathematics, 10.11.2020 23:20