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: 2
Chemistry, 23.06.2019 01:30, koggebless
The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated
Answers: 1
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, 24.03.2020 19:55
Mathematics, 24.03.2020 19:55
Mathematics, 24.03.2020 19:55
Mathematics, 24.03.2020 19:55