A. | ![]() |
B. | ![]() |
C. | ![]() |
D. | ![]() |
A. | ![]() |
B. | same |
C. | half |
D. | double |
A. | tan θ = ∑H/∑V |
B. | tan θ = ∑V/∑H |
C. | tan θ = ∑Vx∑H |
D. | ![]() |
A. | 30° |
B. | 45° |
C. | 60° |
D. | 90° |
A. | distance moved by effort to the distance moved by load |
B. | load lifted to the effort applied |
C. | output to the input |
D. | all of the above |