https://peda.net/id/9442fb8c104 2019-11-26T13:33:33+02:00 https://peda.net/:static/535/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/5298cf44104 2019-11-26T14:14:40+02:00 kulmakerroin 0,1781x<br/> momentti 0,1781Nm 2019-11-26T14:14:40+02:00 https://peda.net/id/7531172e104 2019-11-26T14:08:29+02:00 <img src="https://math-demo.abitti.fi/math.svg?latex=M%3D130Nm" alt="M=130Nm"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=r%3D24cm" alt="r=24cm"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=F%3D%3F" alt="F=?"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=M%3DFr" alt="M=Fr"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=F%3D%5Cfrac%7BM%7D%7Br%7D%3D%5Cfrac%7B130Nm%7D%7B0%7B%2C%7D24m%7D%3D541.66...N%5Capprox540N" alt="F=\frac{M}{r}=\frac{130Nm}{0{,}24m}=541.66...N\approx540N"/> 2019-11-26T14:08:29+02:00 https://peda.net/id/c7bee76a104 2019-11-26T14:03:38+02:00 <div>laske kokonaismomentti kiertoakselin ollessa</div> <div>a) A</div> <div>b) B</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=l%3D3%7B%2C%7D0m" alt="l=3{,}0m"/></div> <img src="https://math-demo.abitti.fi/math.svg?latex=m%3D7%7B%2C%7D2kg" alt="m=7{,}2kg"/><br/> <div><img src="https://math-demo.abitti.fi/math.svg?latex=F_2%3D42N" alt="F_2=42N"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=F_1%3D60%7B%2C%7D0N" alt="F_1=60{,}0N"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=%5Calpha%3D43%C2%B0" alt="\alpha=43°"/></div> <div>a)</div> <div>voimalle F(1) on <img src="https://math-demo.abitti.fi/math.svg?latex=r_1%3D0" alt="r_1=0"/>, joten <img src="https://math-demo.abitti.fi/math.svg?latex=M_%7BA1%7D%3D0Nm" alt="M_{A1}=0Nm"/></div> <div>painolle on <img src="https://math-demo.abitti.fi/math.svg?latex=r_G%3D1%7B%2C%7D5m" alt="r_G=1{,}5m"/>, joten</div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=M_%7BAG%7D%3D-G%5Ccdot%20r_G%3D-mgr_g%3D-105%7B%2C%7D948Nm" alt="M_{AG}=-G\cdot r_G=-mgr_g=-105{,}948Nm"/></div> <div>voimalle F(2) on <img src="https://math-demo.abitti.fi/math.svg?latex=r_2%3D3%7B%2C%7D0m" alt="r_2=3{,}0m"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=M_%7BA2%7D%3D%2BF_2r_2%3D126Nm" alt="M_{A2}=+F_2r_2=126Nm"/></div> <div> </div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=M_%7Bkok%7B%2C%7DA%7D%3DM_%7BA1%7D%2BM_%7BAG%7D%2BM_%7BA2%7D%5Capprox20Nm" alt="M_{kok{,}A}=M_{A1}+M_{AG}+M_{A2}\approx20Nm"/></div> <div>b)</div> <div>Painolle on <img src="https://math-demo.abitti.fi/math.svg?latex=M_%7BBG%7D%3D0Nm" alt="M_{BG}=0Nm"/></div> <div>voimalle F(2) on <img src="https://math-demo.abitti.fi/math.svg?latex=63Nm" alt="63Nm"/></div> <div>voimalle F(1) on <img src="https://math-demo.abitti.fi/math.svg?latex=%5Csin%5Calpha%3D%5Cfrac%7Br_1%7D%7B1%7B%2C%7D5m%7D%5C%20eli%5C%20r_1%3D1%7B%2C%7D5m%5Ccdot%5Csin%5Calpha" alt="\sin\alpha=\frac{r_1}{1{,}5m}\ eli\ r_1=1{,}5m\cdot\sin\alpha"/><br/> <img src="https://math-demo.abitti.fi/math.svg?latex=M_%7BB1%7D%3D-F_1r_1" alt="M_{B1}=-F_1r_1"/></div> <div><img src="https://math-demo.abitti.fi/math.svg?latex=M_%7Bkok%7B%2C%7DB%7D%5Capprox1%7B%2C%7D6Nm" alt="M_{kok{,}B}\approx1{,}6Nm"/></div> <div> </div> 2019-11-26T14:03:38+02:00