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Mechanical Engineering - Engineering Mechanics

Exercise : Engineering Mechanics - Section 5
21.
The angle which the normal reaction makes with the resultant reaction is called angle of friction.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following statement is correct?
The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.
The velocity of the particle moving with simple harmonic motion is zero at the mean position.
The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The law of the machine is(where P = Effort applied to lift the load, m = A constant which is equal to the slope of the line, W = Load lifted, and C = Another constant which represents the machine friction.)
P = mW - C
P = m/W + C
P = mW + C
P = C - mW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.
half
equal to
double
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The velocity of a body on reaching the ground from a height h, is
Answer: Option
Explanation:
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