Forces, Motion, and Energy
3.2 The student will investigate and understand that the direction and size of force affects the motion of an object. Key ideas include
d.) simple and compound machines have many applications.
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(chorus)
The reason we use simple machines is to make work easy.
The reason we use simple machines is to make work easy.
The reason we use simple machines is to make work easy.
(verse)
We use simple machines to help lift heavy weight,
like a lever, like a seesaw.
We use simple machines to help lift heavy weight,
like a lever, like a seesaw.
We use simple machines to help move heavy objects,
like an inclined plane, ramp, like an inclined plane, ramp.
We use simple machines to help move heavy objects,
like a pulley, crane, like a pulley, crane.
We use simple machines to help move things apart,
like a wedge, spatula, like a wedge, spatula.
We use simple machines to help move things apart,
like a wedge, crowbar, like a wedge, crowbar.
(chorus)
The reason we use simple machines is to make work easy.
The reason we use simple machines is to make work easy.
The reason we use simple machines is to make work easy.