name 3 examples of machines that requires you to apply force to the wheel of the object and 3 examples of machines that require you to apply force to the axle of an object

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.