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2 Motion and forces

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Question 48
F

A car travels along a straight, level road.

The horizontal forces on the car are a driving force of 2400 N forwards and a total resistive force of 1800 N backwards.

The mass of the car is 1200 kg.

a.

Calculate the resultant force on the car.

Give the direction of the resultant force.

[2]
b.

State the equation linking force, mass and acceleration.

[1]
c.

Calculate the acceleration of the car.

[2]
d.

Later in the journey, the resistive force increases until it is equal to the driving force.

Describe the motion of the car now.

[2]
Markscheme

2 Motion and forces Questions

  1. GCSE
  2. /Physics
  3. /2 Motion and forces

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