1486
Question 1486
If the load arm is 2 m and effort arm is 4 m, what is the mechanical advantage?
1487
Question 1487
What type of equilibrium does a lever in balance satisfy?
1488
Question 1488
How is the position vector AB related to r1 and r2 in the couple derivation?
1489
Question 1489
What is the unit of the moment of a couple?
1490
Question 1490
In the principle of moments, which moments are usually taken as positive?