Complete quiz - turn in score once you make 100%
STUDY JAMS - SIMPLE MACHINES
SIMPLE MACHINE - MATCHING
Simple machines are tools that make work easier. They have few or no moving parts. These machines use energy to work.
Compound machines have two or more simple machines working together to make work easier.
In science, work is defined as a force acting on an object to move it across a distance.
- Pushing, pulling, and lifting are common forms of work. Furniture movers do work when they move boxes. Gardeners do work when they pull weeds. Children do work when they go up and down on a see-saw. Machines make their work easier. The furniture movers use a ramp to slide boxes into a truck. The gardeners use a hand shovel to help break through the weeds. The children use a see-saw to go up and down. The ramp, the shovel, and the see-saw are simple machines.
Wheel and Axle