SSC GD 2019 PYQ — Question 34

SSC GD Constable (English) - 3 March 2019 Shift 1 • General Awareness • Q34

Which of the following is a correct equation of motion?

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 2s = 2ut + at2.

  • ​2s = 2ut + at2 is the correct equation of motion.
  • Second Equation of Motion is s = ut + 1/2 at2 = 2s = 2ut + at2
  • There are three equations for the motion of those bodies which travel with uniform accelaration. 
  • The First equation of motion - v = u + at
  • It gives the velocity acquired by a body in time t.
  • The Second equation of motion - s = ut + 1/2 at2.
  • The Third equation of motion - v2 = u2 + 2as.
  • It gives the velocity acquired by a body in traveling distance s.