1873373
| Frage | Antworten |
| SI units for mass | Kg |
| units for weight | N |
| SI units for length | meters |
| SI units for time | Seconds |
| SI units for acceleration | m/s^2 |
| SI units for force | Newtons |
| SI units for momentum | N*S or KG*M/S |
| SI units for work and energy | J or N*M |
| SI units for power | Watts |
| object traveling at constant velocity means... | constant speed and direction |
| an object accelerating means... | change in direction, increasing speed, slowing down |
| equation for distance traveled at constant velocity | d=vt |
| equation for linear acceleration | a=(Vf-Vi)/t |
| equation for displacement of accelerating object | 1/2 a t^2 + Vi t |
| where was Isaac newton born (and died) | England |
| life span of sir Isaac newton | 1642-1727 |
| Who was Sir Isaac Newton | Physicist AND mathematician |
| What did Sir Isaac newton discover | discovered fundamental laws about mechanics, motion, light and gravity |
| what did sir Isaac newton invent | calculus |
| 1st law nicknames | seatbelt law and law of inertia |
| whats inertia | tendency to resist a change in motion |
| mass is... | inertia |
| weight is... | force due to gravity |
| 2nd law nickname | baseball law |
| 2nd law equation | Fnet=ma |
| if the force increases the acceleration... | increases (directly proportional) |
| the mass increases the acceleration... | Decreases (inversely proportional) |
| by applying constant force on a object, the object will experience... | constant acceleration |
| object experiencing balanced forces will be.... | at rest or moving at constant velocity |
| object experiencing unbalanced forces will be.... | accelerating |
| terminal velocity of an object means... | air resistance and weight are balanced, and it is at constant velocity |
| 3rd law nickname | rocket law |
| what is the 3rd law | every action has an equal and opposite reaction |
| whats friction | the force that opposes the motion of an object |
| if a system is in equilibrium it means... | it has balanced forces FN=0 A=0 |
| scalars have only a.... | magnitude |
| vectors have... | magnitude and direction |
| what method do you use in order to add concurrent force vectors | parallelogram |
| when you break a vector down into its component parts that process is called | vector resolution |
| tossing a boll to a friend, the ball is a | projectile |
| name given to the path of prjectile | trajectory |
| what kinds of motion does a ball have when you toss it | vertical and horizontal |
| the vertical component of a tossed ball is affected by | gravity |
| p= | mv |
| change in P= | m* change in velocity |
| m* change in velocity= | m* (Vf-Vi) |
| M* (Vf-Vi)= | J |
| J= | f*t |
| f*t= | m*(Vf-Vi) |
| what is the conservation of momentum | in any collision or explosion the total amount of momentum before equals the total amount of momentum after |
| GPE= | MGH |
| KE= | 1/2*m*v^2 |
| f*d= | m*g*d |
| power= | work/time |
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