Lesson M8.1.1
M8.1.1 Concept of a force Quiz: Pearson Edexcel Maths, Unit 18
20 questions
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Lesson M8.1.1, Concept of a force: 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 standard SI unit is used to measure the magnitude of a force?
- Pascals
- Joules
- Watts
- Newtons
-
Is force a scalar quantity or a vector quantity in mechanics?
- Derived
- Base
- Scalar
- Vector
-
Which physical property determines the weight of an object in a uniform gravitational field?
- Velocity
- Volume
- Density
- Mass
-
What do we call the direct physical push or pull exerted by one object on another?
- Field force
- Centripetal force
- Contact force
- Inertial force
-
Which type of force acts without physical contact through a surrounding region of space?
- Tension force
- Normal reaction
- Non-contact force
- Frictional force
-
What is the direction of a normal reaction force relative to the supporting surface?
- Antiparallel
- Parallel
- Horizontal
- Perpendicular
-
What term describes the pulling force transmitted axially by means of a string or rope?
- Thrust
- Upthrust
- Compression
- Tension
-
What is the opposing force created when two solid surfaces slide across each other called?
- Buoyancy
- Drag
- Thrust
- Friction
-
What resistive force acts on an object moving through a fluid like air or water?
- Drag
- Tension
- Normal reaction
- Weight
-
Calculate the weight in newtons of a 5 kg mass where g is 9.8 m s^-2.
- 5 N
- 9.8 N
- 490 N
- 49 N
-
Find the magnitude of the normal reaction force for a stationary 8 kg box on a flat horizontal floor. Take g = 9.8 m s^-2.
- 8 N
- 9.8 N
- 80 N
- 78.4 N
-
An object has a weight of 120 N and acceleration due to gravity is 10 m s^-2. What is its mass?
- 1.2 kg
- 120 kg
- 1200 kg
- 12 kg
-
If a horizontal push of 15 N moves a crate at constant speed against friction, what is the friction force?
- 15 N
- 30 N
- 7.5 N
- 0 N
-
Two perpendicular forces of 3 N and 4 N act on a particle. What is the magnitude of their resultant?
- 5 N
- 1 N
- 12 N
- 7 N
-
A particle is in equilibrium under three coplanar forces. What must the vector sum of these forces equal?
- Maximum
- One
- Infinity
- Zero
-
What graphical method can be used to add two force vectors head-to-tail?
- Parallelogram rule
- Triangle law
- Resolution method
- Polygon method
-
When resolving a force of magnitude F at angle theta to an axis, what trigonometric function gives the perpendicular component?
- F tan theta
- F sin theta
- F cot theta
- F cos theta
-
A 10 kg mass hangs stationary from a light vertical string. What is the tension in the string? Take g = 9.8 m s^-2.
- 0 N
- 9.8 N
- 10 N
- 98 N
-
Which fundamental interaction is responsible for holding atomic nuclei together against electromagnetic repulsion?
- Electrostatic
- Strong nuclear
- Gravitational
- Weak nuclear
-
What do we call the single force that can replace a system of multiple forces while producing the exact same effect?
- Component force
- Balanced force
- Resultant force
- Friction force
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