Mechanical advantage allows you to apply a force over a short distance to increase the distance and object moves.
Answer:
Machines are faster and more efficent
Explanation:
Answer:
Both balls have the same speed.
Explanation:
Janelle throws the two balls from the same height, with the same speed. Both balls will have the same potential and kinetic energy. Energy must be conserved. When the balls pass Michael, again they must have the same potential and kinetic energy.
Answer:
true
Explanation:
free fall is said to be the downward movement of an object under the force of gravity only