If the output force is greater than the input force of a simple machine, the
mechanical advantage is less than one.
A. True
B. False

Which feature of a heating curve indicates a change ofn state

In an experiment, how can i change human errors? be specific.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m