What is work?
The movement of an object by a force
By definition, work is the displacement of an object resulting from applied force.
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Which of the following wedges generates the greatest amount of force.
What mechanical motion principle do the brakes in a car or on a bicycle use?
Which material is best suited for use as a boat anchor?
What would happen to a balloon full of air if you moved it from above a water surface to ten feet below the water surface?
The center of gravity of a baseball bat would be best described as
How can workers increase the mechanical advantage of pulley systems?
A garden hoe is a compound machine made up of a:
If the green box weighs 20 lb. and a 50 lb. weight is placed 7 ft. from the fulcrum at the blue arrow, how far from the fulcrum would the green box need to be to balance the lever?
Why is it easier to punch a hole in a piece of paper with a sharp needle than with a blunt pencil?