lift a load up and and make it super easy to lift a heavy object and a wheel and axle can be used to steer an object or vehicle.More or one simple machines are called compound machines. On a lever the load is the bigger person on the see saw the effort is put onby the littler person and the fulcrum is the triangle .on the pulley the load is the ement brick being lifted up the pulley is the fulcrum and the effort is the person tugging on the end of the rope.
Thursday, February 16, 2012
Blog 3
There on the left is a lever ,on the right is a pulley, abd on the bottom is a wheel and axle.A lever is used by taking load and and lifting it up a pulley can 
lift a load up and and make it super easy to lift a heavy object and a wheel and axle can be used to steer an object or vehicle.More or one simple machines are called compound machines. On a lever the load is the bigger person on the see saw the effort is put onby the littler person and the fulcrum is the triangle .on the pulley the load is the ement brick being lifted up the pulley is the fulcrum and the effort is the person tugging on the end of the rope.
lift a load up and and make it super easy to lift a heavy object and a wheel and axle can be used to steer an object or vehicle.More or one simple machines are called compound machines. On a lever the load is the bigger person on the see saw the effort is put onby the littler person and the fulcrum is the triangle .on the pulley the load is the ement brick being lifted up the pulley is the fulcrum and the effort is the person tugging on the end of the rope.
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You explained well and I like your pictures.
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