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Bihar Police SI Newton's Second Law — practice questions

Explore 1 free Newton's Second Law questions in Bihar Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Newton's Second Law questions and exercises with answers

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A 100 kg object is uniformly accelerated from 5 ms⁻¹ to 17 ms⁻¹ in 6 s. The magnitude of the force applied on the object is _____.Read the answer and worked solution →

Worked practice questions

A 100 kg object is uniformly accelerated from 5 ms⁻¹ to 17 ms⁻¹ in 6 s. The magnitude of the force applied on the object is _____.

  1. 200 ms⁻²
  2. 200 N
  3. 200 ms⁻¹
  4. 200 Pa
Show answer and solution

Correct answer: B. 200 N

1. Acceleration a = (v − u)/t = (17 − 5)/6 = 2 ms⁻². 2. Force F = ma = 100 × 2 = 200. 3. Force is measured in newtons, so F = 200 N. _Source: RRB Group D CEN-02/2018 PYQ, Q.16._

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