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Mechanical Engineering - Engineering Mechanics

Exercise : Engineering Mechanics - Section 2
26.
The resultant of two forces P and Q acting at an angle θ is
Answer: Option
Explanation:
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27.
Which of the following are vector quantities?
Linear displacement
Linear velocity
Linear acceleration
all of these
Answer: Option
Explanation:
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28.
The maximum acceleration of a particle moving with simple harmonic motion is
ω
ωr
ω2r
ω/r
Answer: Option
Explanation:
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29.
A lift moves downwards with an acceleration of 9.8 m/s2. The pressure exerted by a man on the floor of the lift is zero.
True
False
Answer: Option
Explanation:
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30.
Non-coplaner concurrent forces are those forces which
meet at one point, but their lines of action do not lie on the same plane
do not meet at one point and their lines of action do not lie on the same plane
meet at one point and their lines of action also lie on the same plane
do not meet at one point, but their lines of action lie on the same plane
Answer: Option
Explanation:
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