Lesson M8.2.1
M8.2.1 Newton's second law for motion in a straight line Quiz: Pearson Edexcel Maths, Unit 18
20 questions
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Lesson M8.2.1, Newton's second law for motion in a straight line: 20 multiple choice questions for the Pearson Edexcel Maths (9MA0), Unit 18: Forces and Newton's laws, written with Revision Ninja.
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The 20 questions
-
What is the standard SI unit used for measuring force in mechanics?
- Joule
- Newton
- Watt
- Pascal
-
Which vector quantity represents the rate of change of momentum?
- Energy
- Velocity
- Force
- Acceleration
-
What formula represents Newton's second law for a constant mass?
- s = ut + 0.5at^2
- F = ma
- F = mv
- v = u + at
-
What is the acceleration of a 4 kg mass acted on by a 20 N force?
- 5 m s^-2
- 80 m s^-2
- 4 m s^-2
- 0.2 m s^-2
-
What is the mass of an object accelerated at 3 m s^-2 by a 15 N force?
- 45 kg
- 0.2 kg
- 12 kg
- 5 kg
-
What constant force is needed to accelerate a 2 kg mass at 4 m s^-2?
- 2 N
- 0.5 N
- 8 N
- 6 N
-
In F = ma, what does the letter m represent in standard mechanics?
- Metres
- Mass
- Momentum
- Magnitude
-
In F = ma, what does the letter a represent?
- Angle
- Area
- Amplitude
- Acceleration
-
If a particle moves in a straight line, how many dimensions are typically used?
- One
- Zero
- Two
- Three
-
What is the resultant force on a 3 kg mass moving with constant velocity?
- 0 N
- 1 N
- 9 N
- 3 N
-
Find the magnitude of acceleration when a 5 kg mass experiences a resultant force of 15 N.
- 3 m s^-2
- 0.33 m s^-2
- 75 m s^-2
- 10 m s^-2
-
A 10 kg box accelerates at 2 m s^-2 up a smooth slope. What is the driving force?
- 20 N
- 12 N
- 100 N
- 5 N
-
What is the acceleration if a 500 g mass experiences a resultant force of 2 N?
- 4 m s^-2
- 1000 m s^-2
- 250 m s^-2
- 0.004 m s^-2
-
A force of 12 N acts on a particle of mass m, producing an acceleration of 3 m s^-2. Find m.
- 0.25 kg
- 36 kg
- 4 kg
- 9 kg
-
Which assumption is typically made about bodies in standard A-level particle models?
- Flexible
- Extended
- Deformable
- Particle
-
What is the weight of a 5 kg mass taking g = 9.8 m s^-2?
- 49 N
- 5 kg
- 0.5 N
- 1.96 N
-
Find the acceleration of a 2 kg mass pulled by a 10 N force against a 2 N friction force.
- 5 m s^-2
- 4 m s^-2
- 1 m s^-2
- 6 m s^-2
-
A car of mass 1000 kg decelerates at 1.5 m s^-2. What is the braking force magnitude?
- 666 N
- 1500 N
- 150 N
- 1000 N
-
Two forces of 15 N and 5 N act in opposite directions on a 2 kg mass. Find its acceleration.
- 10 m s^-2
- 50 m s^-2
- 5 m s^-2
- 2 m s^-2
-
A 4 kg particle has an acceleration of 3 m s^-2. What is the magnitude of the resultant force?
- 12 N
- 48 N
- 1.33 N
- 7 N
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