1. What force is required to give a mass of 23 kg an acceleration of 15 m/s^2? (F = ma)
- A345
- B394.764
- C346
- D344
Show answer
Answer: A
F = m x a = 23 x 15 = 345 N.
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Newton's Laws of Motion — Physics Questions & Practice
Practise 389 Newton's Laws of Motion questions from Physics for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.
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Practice questions on Newton's Laws of Motion — with answers
Try each question first, then open the answer. Explanations are included.
2. What force is required to give a mass of 21 kg an acceleration of 1 m/s^2? (F = ma)
- A21
- B26.177
- C19
- D26
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Answer: A
F = m x a = 21 x 1 = 21 N.
3. What force is required to give a mass of 19 kg an acceleration of 3 m/s^2? (F = ma)
- A57
- B67.987
- C61.336
- D58
Show answer
Answer: A
F = m x a = 19 x 3 = 57 N.
4. What force is required to give a mass of 14 kg an acceleration of 15 m/s^2? (F = ma)
- A211
- B229.966
- C210
- D209
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Answer: C
F = m x a = 14 x 15 = 210 N.
5. What force is required to give a mass of 17 kg an acceleration of 16 m/s^2? (F = ma)
- A209.616
- B261.39
- C277.325
- D272
Show answer
Answer: D
F = m x a = 17 x 16 = 272 N.
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