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Leandra
| Question | Answer |
|---|---|
| s= | d/t |
| v= | D/t |
| w= | Fd |
| a= | Sf-Si/T |
| a= | Fnet/m |
| MA= | Fo/Fi |
| F= | ma |
| Sf= | Final Speed |
| MA= | Mechanical Advantage |
| Si= | Initial speed |
| Fnet= | Net Force |
| force is | a push or a pull |
| First law of motion is | a body remains at constant velocity unless an unbalanced force acts on it |
| What is inertia | to continue in a straight line unless acted upon a force. |
| Gravity is a | force |
| friction incolved in a wagon moving down a hill is | rolling friction |
| As the force acting on you increases, your acceleration | increases |
| The unit of force is the | newton |
| if you go to the moon your mass | remains the same |
| as you glide across a frozen pond it is called | sliding friction |
| an ant falling from the roof of a house lands unharmed because of | air resistance |
| Secound law of motion is | an object acted on by an unbalanced force will accelerate in the direction of the force with an acceleration given by the following acceleration. |
| Third law of motion is | forces always act equal to each other. |
| friction is | the force that resists sliding motion between surfaces that are touching |
| relative motion | an object's position change is described in terms of a reference point |
| constant speed is | the same at any given moment in time |
| contact force | involves objects touching each other |
| long-rang forces | include gravityu, magnetism, and electricity |
| Inertia measures | an object's tendency to remain at rest or keep moving |
| balanced forces | forces that are equal but in opposite directions canceling each other |
| Unbalanced forces | if one force is greater that another, a change in motion |
| static friction | keeps a stationary object from moving on a surface when a force is applied to the object |
| Amachine that uses only one movement | simple machine |
| the force you apply when using a machine | input force |
| probably the first simple machine | lever |
| mechanical advantage is | the number of times the applied force is increased by a machine. |
Created by:
LeAnDrA GoNzAlEs
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