Across
- 5. "natural philosopher"
- 6. the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other
- 8. the branch of science concerned with the behavior of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment
- 10. the ratio of force to the area over which that force is distributed
- 11. moment or moment of force is the tendency of a force to rotate an object about an axis, fulcrum, or pivot
- 14. describes the extent to which time, effort or cost is well used for the intended task or purpose
- 18. the rate of doing work
- 19. property of objects, transferable among them via fundamental interactions, which can be converted in form but not created or destroyed.
- 20. a tool containing one or more parts that uses energy to perform an intended action
Down
- 1. displacement of the point of application in the direction of the force
- 2. force on the object due to gravity
- 3. the rate of change of the position of an object
- 4. the rate at which the velocity of an object changes over time
- 7. a property of a physical body which determines the body's resistance to being accelerated by a force and the strength of its mutual gravitational attraction with other bodies
- 9. a unit of mass used in the imperial, United States customary and other systems of measurement.
- 12. the base unit of mass in the International System of Units
- 13. a wheel on an axle that is designed to support movement and change of direction of a cable or belt along its circumference
- 15. the force of attraction by which terrestrial bodies tend to fall toward the center of the earth.
- 16. any interaction which tends to change the motion of an object
- 17. is the fundamental unit of length in the International System of Units