CAIE IGCSE Physics 1.5.1.11 Recall Use F Ma Questions

Practise using F = ma to calculate resultant force, mass or acceleration, and relate driving, resistive, frictional and braking forces to motion.

Exam points

Use F = ma to calculate resultant force, mass or acceleration and relate force direction to acceleration.

[Maximum number: 2]

A train has a total mass of 520000 kg . The train accelerates at $1.1 \mathrm{~m} / \mathrm{s}^{2}$ .

Calculate the force required to produce an acceleration of $1.1 \mathrm{~m} / \mathrm{s}^{2}$ for this train.

force =

570000 N
F=m a OR(F=) ma $\mathbf{OR}(F=) 520000 \times 1.1$

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