Mechanical advantage describes how machines
a)multiply the input by force
b)are manufactured
c)change the total amount of work that is done

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

What is the scientific definition of energy that relates to work