1. (as shown in the figure) draw the most labor-saving direction and mark the fulcrum O to draw the power arm 1 and the resistance arm L2
2. Draw the force arm according to the requirements
3. As shown in the figure, it is a labor-saving lever or a labor-intensive lever and calculated
2024.3.23
With the 2024 high school entrance examination approaching, the self-recruitment of the high school entrance examination is also close at hand. According to the registration situation this year, the national self-recruitment has ushered in a new upgrade. On May 17th, the self-recruitment exam will begin, and the ...
05-15
