Simple machines such as pulleys, wedges, and levers reduce the amount of energy required to lift or move (heavy) objects.
oil
by levers
Simple machines are any device used to change the direction and or magnitude of a force. Levers, pulleys, wheels, and the inclined plane are all examples of simple machines.
All simple machines change the direction or magnitude of a force to make work easier. They operate on a basic mechanical principle and do not have moving parts. Simple machines can be combined to create more complex machines.
ikd figure it out
Some common questions about simple machines include: How do simple machines make work easier? What are the different types of simple machines? How do simple machines affect force and distance in work? How can simple machines be combined to create complex machines?
Simple machine helps us to increase the power and force for change.
A CATAPULT IS A LEVER!!!
No you still do the same amount of work
6 simple machines.
Simple Machines was created in 1990.
Simple Machines ended in 1998.