Inclined planes
is a ramp and inclined plane
yes
what is the most impossible percent for an ideal machine
100%
is a gear a wheel and axle
yes
what is the most common type of screw
a bolt
why does a wheel have an axle
so it can rotate
what is a fixed pulley
a pulley that moves the object and is not mounted to the object
what type of inclined plane is an axe
a wedge
true or false for second- and third-class levers, the fulcrum is on the edge while for first class it's in the middle
true, but for second class levers the load is in the middle and the force is on the other side for third class vice versa
whats a moveable pulley
a pulley that moves with the object
what three simple machines does scissors have
a wedge, a lever, and a screw
what is the most common type of wedge
a knife
true or false a spoon is not a lever
false
what are block and tackles
what two simple machines does a wheelbarrow have
a wheel & axle and a lever
what is an inclined plane
a flat, sloped surface.
what is the equation for efficiency
Output work/ input work *100
what is the fulcrum
the fixed point that the lever moves on
what are the three times of pulleys
fixed pulley, moveable pulley, and block and tackle
what three simple machines are in an apple peeler
a wedge, a screw, a lever, and a wheel & axle