The diagram shows the forces acting on a car which is travelling along a flat straight road. (i) The size of the resultant force on the car is 350 N. In which direction is the resultant force acting? Put a cross (X) in the box next to your answer. A down ↓ B to the left ← C to the right → D up ↑ (ii) Complete the sentence by putting a cross (X) in the box next to your answer. The car is A accelerating B decelerating C moving at a constant speed D not moving.

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The diagram shows the forces acting on a car which is travelling along a flat straight road - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

Question 1

The diagram shows the forces acting on a car which is travelling along a flat straight road. (i) The size of the resultant force on the car is 350 N. In which dire... show full transcript

Worked Solution & Example Answer:The diagram shows the forces acting on a car which is travelling along a flat straight road - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

Step 1

i) In which direction is the resultant force acting?

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Answer

To determine the direction of the resultant force, we first need to calculate it. The driving force is 800 N to the left, and the drag force is 450 N to the right. The resultant force can be calculated as:

ext{Resultant Force} = ext{Driving Force} - ext{Drag Force} \ = 800 ext{ N} - 450 ext{ N} \ = 350 ext{ N to the left}.

Thus, the resultant force is acting to the left, so the correct choice is B to the left (←).

Step 2

ii) The car is

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Answer

Since there is a resultant force acting on the car (350 N to the left), according to Newton's second law of motion, this implies the car is accelerating. Therefore, the correct choice is A accelerating.

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The diagram shows the forces acting on a car which is travelling along a flat straight road - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

Worked Solution & Example Answer:The diagram shows the forces acting on a car which is travelling along a flat straight road - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

i) In which direction is the resultant force acting?

ii) The car is

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