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Resultant force from balanced and unbalanced

GCSE · Combined Science · OCR · P2.2 — Newton’s laws: balanced and unbalanced forces, F = ma, free-body diagrams

Question

A 1,400 kg car experiences a forward force of 4,800 N from the engine and a backward force of 1,300 N from drag and friction.

(a) Calculate the resultant force on the car. [1] (b) Calculate the acceleration of the car. [2] (c) State what happens to the resultant force if the car reaches a constant top speed. [1]

[4 marks]

4 marks · take your time before peeking.

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