inclined planes and ramps

today we have learn about inclined planes and ramps. the are made to make work simpler, for instants like put stuff in or on a trailer you could use a ramp or inclined plain.

Levers, Wedges, and more!!

The placement of the fulcrum is very important for the mechanical advantage of the lever. Most of the time it seemed to work much better if it was farther away from you. The relationship between the input and output distance was inverse, (or opposite)

Inclined planes are very effecient, if very long. The longer plane was the easiest to work with. Other factors would have to be weight of the object, strength of the person, how high you have to push it, or friction!

Inclined Planes and Ramps

Today we learned about inclined planes and ramps. They are used so that somebody can slide or roll an object up them to the top. I learned that the longer the ramp or inclined plane the less force you have to use.

Levers and Inclined Planes

Yesterday you finished up activity one about wedges and levers. What did you discover about the placement of the fulcrum? Was the lever easier to use if the fulcrum was close to you or far away. Was the relationship of input force/distance to output force/distance direct or inverse?

Today we started activity two on the inclined plane and the pulley. What did you discover about inclined planes? What the inclined plane easier to use if it was long or short? What other factors might affect the use of the inclined plane?