click below
click below
Normal Size Small Size show me how
six simple machines
six simple machines and their ideal mechanical advantages
Question | Answer |
---|---|
What is the equation for the ideal mechanical advantage of an incline plane? | Ideal m.a.= length of incline / height of incline |
What is the equation for the ideal mechanical advantage of a wedge? | Ideal m.a.= length of wedge / width of wedge |
What is the equation for the ideal mechanical advantage of a screw? | Ideal m.a.= length around the threads / length of screw |
What is the equation for the ideal mechanical advantage of a lever? | Ideal m.a.= distance from the fulcrum to input force / distance from fulcrum to output force |
What is the equation for the mechanical advantage of a wheel and axle? | m.a.= radius of wheel / radius of axle |
What is the equation for the ideal mechanical advantage of a pulley? | ideal m.a.= the number of sections of rope that support the object. |
what is kinetic energy? | Energy an object has due to its motion. |
What is the formula for kinetic energy? | kinetic energy= 1/2 * mass * velocity^2 |
what is potential energy? | stored energy that results from the position or shape of an object. |
what is gravitational potential energy? | potential energy that depends on the height of an object. |
what is the formula for gravitation potential energy? | g.p.e.= weight * height |
what is elastic potential energy? | the energy of stretched or compressed objects. |