Forces Revision III Flashcards
1
Q
What is buoyancy?
A
The upward push of an object that is floating on top or is submerged in a fluid. It acts in all liquids and gases.
2
Q
What is surface tension?
A
The pulling of particles in a liquid towards each other. Soaps and detergent reduce the surface tension of water.
3
Q
6 simple machines are…
A
Lever, wheel and axle, pulley, inclined plane, wedge, screw
4
Q
Mechanical advantage is…
A
Mechanical advantage equals load divided by or output divided by input.
