Static friction is the friction between an object at rest and the surface on which it is resting on.
Kinetic friction is the friction between a moving object and the surface on which it moves.
Hopefully you understood and this helps :)
Solid is one of the three main states of matter, along with liquid and gas. Matter is the "stuff" of the universe, the atoms, molecules and ions that make up all physical substances. In a solid, these particles are packed closely together and are not free to move about within the substance.
Explanation:
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The answer is A because its asking how much of all 3 energies combined will it give off.
Potential Energy
Potential energy is the energy an object has because of its position to move. Gravitational potential energy can be calculated by multiplying the mass of an object, the gravitational pull, and the height of the object together. In our project the weights, cups, marbles and dominos all have a potential energy as well as other objects.
Kinetic Energy
Kinetic energy is energy due to motion. To calculate this, use the equation KE=0.5mv^2. The work, potential energy, and kinetic energy of an object will always be equal to eat other. Kinetic energy can be calculated by any objects in motion on the machine, such as the marbles, car, and the dominos.
SRY I HAVE ONLY THIS MUCH OF INFORMATION ABOUT THIS............I ONLY HOPE THAT THIS WILL HELP YOU MATE.......
