7(A) F = F 0 + K(0) = F 0T 1 = F 0 R ANS .(B) WHEN TEETH ARE ABOUT T...

1-7

(a) F = F ₀ + k(0) = F ₀

T ₁ = F ₀ r Ans .

(b) When teeth are about to clear

F = F ₀ + kx ₂

From Prob. 1-6

T ₂ = Fr f tan θ + 1

tan θ − f

T ₂ = r ( F ₀ + kx ₂ )( f tan θ + 1)

tan θ − f Ans .