Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 9 (Q.No. 3)
3.
The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to
0° and 90°
90° and 180°
135° and 315°
270° and 360°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 2 of 2.

Naveen Shahrukh said:   5 years ago
tractive force is maximum or minimum when the angle of inclination of the crank with the line of stroke (θ) is equal to 135° and 315°.

At these angles only we get Maximum of 1.414 and Minimum -1.414 while substituting angles this formula.
F = (1-c)mrw^2(cosθ -sinθ).

Vinay BEL said:   5 years ago
135° and 315°.

Abbas said:   3 years ago
Yes, agree, c is the right answer.


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