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1.5.1a Forces, resultant force and motion

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Question 41

A freight train accelerates uniformly along a straight, horizontal track. The mass of the train is 3.5×104 kg3.5 \times 10^4\text{ kg}3.5×104 kg.

a.

The speed of the train increases from rest to 16 m/s16\text{ m/s}16 m/s in 20 s20\text{ s}20 s.

Calculate: (i) the distance travelled by the train during this time,

[2]
b.

The speed of the train increases from rest to 16 m/s16\text{ m/s}16 m/s in 20 s20\text{ s}20 s.

Calculate: (ii) the resultant force on the train.

[3]
c.

To maintain a uniform acceleration, the forward driving force on the train must change. Explain why.

[3]
Markscheme

1.5.1a Forces, resultant force and motion Questions

  1. IGCSE
  2. /Physics
  3. /1.5.1a Forces, resultant force and motion

183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.

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