Mechanical Engineering - Engineering Mechanics

16.
A pendulum which executes one beat per second is known as
simple pendulum
compound pendulum
torsional pendulum
second's pendulum
Answer: Option
Explanation:
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17.
Two blocks A and B of masses 150 kg and 50 kg respectively are connected by means of a string as shown in the below figure. The tension in all the three strings __________ be same.
will
will not
Answer: Option
Explanation:
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18.
D' Alembert's principle basically depends upon Newton's second law of motion.
Correct
Incorrect
Answer: Option
Explanation:
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19.
The forces, whose lines of action are parallel to each other and act in the same directions, are known as
coplaner concurrent forces
coplaner non-concurrent forces
like parallel forces
unlike parallel forces
Answer: Option
Explanation:
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20.
A number of forces acting at a point will be in equilibrium, if
all the forces are equally inclined
sum of all the forces is zero
sumof resolved parts in the vertical direction is zero (i.e. ∑V = 0)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.