Lakshya Education MCQs

Question: Whenever a force acts on a body and the body undergoes a displacement, then
Options:
A. Work is said to be done
B. Power is being transmitted
C. Body has kinetic energy of translation
D. None of these
Answer: Option A

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More Questions on This Topic :

Question 1. In order to completely specify angular displacement by a vector, it must fix
  1.     Direction of the axis of rotation
  2.     Magnitude of angular displacement
  3.     Sense of angular displacement
  4.     All of these
Answer: Option D
Question 2. The force, by which the body is attracted, towards the center of the earth, is called
  1.     Impulsive force
  2.     Mass
  3.     Weight
  4.     Momentum
Answer: Option C
Question 3. In actual machines, mechanical advantage is _________ velocity ratio.
  1.     Equal to
  2.     Less than
  3.     Greater than
  4.     None of these
Answer: Option B
Question 4. The three forces of 100 n, 200 n and 300 n have their lines of action parallel to each other but act in the opposite directions. these forces are known as
  1.     Coplanar concurrent forces
  2.     Coplanar non-concurrent forces
  3.     Like parallel forces
  4.     Unlike parallel forces
Answer: Option D
Question 5. In order to completely specify angular displacement by a vector, it must fix
  1.     Direction of the axis of rotation
  2.     Magnitude of angular displacement
  3.     Sense of angular displacement
  4.     All of these
Answer: Option D
Question 6. Whenever a force acts on a body and the body undergoes a displacement, then
  1.     Work is said to be done
  2.     Power is being transmitted
  3.     Body has kinetic energy of translation
  4.     None of these
Answer: Option A

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