True, A simple machine helps make work easier., A pulley is commonly used to raise a flag., A seesaw is an example of a lever., A knife is an example of a wedge., An inclined plane can help move a heavy object to a higher place., False, A ramp is an inclined plane., A screw has spiral threads., Simple machines make work easier, but force is still needed., Scissors combine levers and wedges, making them a compound machine.

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