Explain why the efficiency of a simple machine cannot excced 100%

The mass of an object is equal to its weight true or false?

In order for work to be done, what three things are necessary? power, a force, and movement in the opposite direction of the applied force balanced forces, motion, and distance covered over time unbalanced force, motion in the same direction as the

What is the relationship between dominant and recessive genes

Which of the following professionals would provide this warning

Form a hypothesis about how deeply water could erode and about how deeply glaciers could erode

What is a transverse wave

Object moving at a constant velocity will always have a

Who would most likely agree that a child learns certain behaviors from observing other people?

A bullet is fired horizontally from a height of 78.4 m and hits the ground 2400 m away. With what velocity does the bullet leave the gun?

Select the correct answer. Two charged objects, A and B, exert an electric force on each other. What happens if the distance between them is increased? O A. The charge on B decreases. OB. The charge on B increases. OC.