Physics AQA A-Level Forces & Motion
Questions And Answers Updated 2024
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[DATE]
[COMPANY NAME]
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, What's the difference between a scalar and a vector? - with answers:Scalar quantities only tell us
the magnitude, vector quantities have magnitude and direction.
Give examples of vectors. - with answers:Displacement, velocity, acceleration, momentum,
force.
Give examples of scalars. - with answers:Distance, speed, work done, energy, voltage,
temperature, frequency, pressure, charge.
What is a resultant vector? - with answers:The sum of all the vectors.
How can you calculate a diagonal resultant vector? - with answers:By using pythagoras.
How can you find the angle to a resultant vector? - with answers:By using trigonometry:
hypothenuse x cos(angle) = adjacent. SOH CAH TOA
Describe a free body diagram for a car driving up a slope. - with answers:Thrust up the slope,
friction down the slope, weight vertically downwards, normal reaction perpendicular to the
slope.
How can you find the resultant force when the horizontal and vertical components are at an
angle? - with answers:By moving the forces around to form a right angled triangle.
What is equilibrium? - with answers:When resultant force = 0
How can we draw 3 coplanar forces to prove they are in equilibrium? - with answers:By forming
a closed loop triangle tip to tail.
What is a moment? - with answers:The turning effect of a force. Same as "torque".
What is a lamina? - with answers:A sheet with uniform mass.
Questions And Answers Updated 2024
[Document subtitle]
[DATE]
[COMPANY NAME]
[Company address]
, What's the difference between a scalar and a vector? - with answers:Scalar quantities only tell us
the magnitude, vector quantities have magnitude and direction.
Give examples of vectors. - with answers:Displacement, velocity, acceleration, momentum,
force.
Give examples of scalars. - with answers:Distance, speed, work done, energy, voltage,
temperature, frequency, pressure, charge.
What is a resultant vector? - with answers:The sum of all the vectors.
How can you calculate a diagonal resultant vector? - with answers:By using pythagoras.
How can you find the angle to a resultant vector? - with answers:By using trigonometry:
hypothenuse x cos(angle) = adjacent. SOH CAH TOA
Describe a free body diagram for a car driving up a slope. - with answers:Thrust up the slope,
friction down the slope, weight vertically downwards, normal reaction perpendicular to the
slope.
How can you find the resultant force when the horizontal and vertical components are at an
angle? - with answers:By moving the forces around to form a right angled triangle.
What is equilibrium? - with answers:When resultant force = 0
How can we draw 3 coplanar forces to prove they are in equilibrium? - with answers:By forming
a closed loop triangle tip to tail.
What is a moment? - with answers:The turning effect of a force. Same as "torque".
What is a lamina? - with answers:A sheet with uniform mass.
