Engineering-mechanics Questions Set 11:
What is the relationship between static friction (S) and dynamic friction (D)?
Solution:
A body in which deformation is neglected is called a?
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The centre of percussion is below the centre of gravity of the body and is at a distance equal to
Solution:
Which of the following is true for concurrent forces in equilibrium?
Solution:
When is the normal component of acceleration zero?
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Calculate the velocity of the bob of a simple pendulum at its mean position if it is able to rise to a vertical height of 12 cm.
Take g = 9.8 m/s2
Solution:
The effect of a couple is not changed by:
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Which of the following statements about frames and trusses is true?
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A gardener pushes a lawn roller through a distance of 20 m. If they apply a force of 20 kg weight in a direction inclined at 60° to the ground, what is the work done by them? (g = 9.8 m/s²)
Solution:
A shell is fired from a cannon. At the instant the shell is just about to leave the barrel, its velocity relative to the barrel is 4 m/s, while the barrel is swinging upwards with a constant angular velocity of 2 rad/s. The magnitude of the absolute velocity of the shell is:
Solution:
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