Lesson 3.01b
3.01b Derived quantities and units Quiz: OCR Maths, Unit 16
20 questions
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Lesson 3.01b, Derived quantities and units: 20 multiple choice questions for the OCR Maths (H240), Unit 16: Quantities and Units in Mechanics, written with Revision Ninja.
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The 20 questions
-
Which of the following is an SI base quantity in mechanics?
- Mass
- Force
- Acceleration
- Velocity
-
What derived unit is used to measure the moment of a force?
- N m^-2
- N m
- N s
- N m^-1
-
Which quantity is defined as the rate of change of velocity?
- Momentum
- Speed
- Displacement
- Acceleration
-
Which of these quantities is a scalar rather than a vector?
- Acceleration
- Displacement
- Speed
- Velocity
-
What derived SI unit measures force or weight?
- Newton
- Pascal
- Watt
- Joule
-
What are the SI base units for a force measured in Newtons?
- kg m s^2
- kg m^2 s^-2
- kg m s^-2
- kg m s^-1
-
What does the gradient of a velocity-time graph represent?
- Speed
- Displacement
- Acceleration
- Distance
-
What does the area under a velocity-time graph represent?
- Speed
- Displacement
- Acceleration
- Force
-
What does the gradient of a displacement-time graph represent?
- Acceleration
- Velocity
- Distance
- Speed
-
What is the SI unit for measuring acceleration?
- m^2 s^-2
- m s
- m s^-2
- m s^-1
-
A car travels 120 metres in 6 seconds at constant speed. What is its speed?
- 0.05 m s^-1
- 114 m s^-1
- 720 m s^-1
- 20 m s^-1
-
What is a speed of 36 kilometres per hour converted to metres per second?
- 3.6 m s^-1
- 100 m s^-1
- 10 m s^-1
- 36 m s^-1
-
An object accelerates from rest to 24 m s^-1 in 4 seconds. Find its acceleration.
- 0.16 m s^-2
- 96 m s^-2
- 20 m s^-2
- 6 m s^-2
-
Which term describes the straight-line distance from a starting point in a specific direction?
- Distance travelled
- Displacement
- Speed
- Path length
-
What physical quantity is calculated by multiplying mass by acceleration due to gravity?
- Work
- Moment
- Weight
- Momentum
-
Which of the following is a derived quantity rather than a base quantity?
- Mass
- Time
- Length
- Velocity
-
A resultant force of 15 N acts on a 3 kg mass. Calculate the acceleration.
- 0.2 m s^-2
- 12 m s^-2
- 5 m s^-2
- 45 m s^-2
-
What are the SI base units of momentum, calculated as mass times velocity?
- kg m^2 s^-1
- kg m s
- kg m s^-2
- kg m s^-1
-
Which vector quantity is defined as the displacement covered per unit time?
- Acceleration
- Speed
- Distance
- Velocity
-
If a velocity-time graph is a horizontal line above zero, what is the acceleration?
- Increasing
- Constant positive
- Undefined
- 0 m s^-2
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