The cards Question What is a non-contact force? Tap to flip Answer A force that exists between objects even if they are not touching. Question What is a contact force? Tap to flip Answer A force that exists between objects when they are touching. Question What does a free body diagram show? Tap to flip Answer All of the individual forces acting on a single object. Question What does Newton's Third Law state? Tap to flip Answer Forces come in equal and opposite pairs, which act on pairs of different objects. Question Besides being equal in size, what else do the two forces in a Newton's Third Law pair share? Tap to flip Answer They are the same type of force (and act in opposite directions between the two objects). Question Forces are vectors. How are they drawn on diagrams? Tap to flip Answer As arrows. Question Rather than a property an object 'has', how should a force be described? Tap to flip Answer As an interaction between two objects: 'the force of object A on object B'. Question What is a resultant force? Tap to flip Answer A single force that has the same effect as several forces acting on an object. Question What does Newton's First Law of motion state? Tap to flip Answer An object stays at rest, or moves in a straight line at constant speed, unless a resultant force acts on it. Question What does it mean for an object to accelerate? Tap to flip Answer Its speed and/or direction changes. Question What does it mean for an object to decelerate? Tap to flip Answer Its speed decreases. Question What is velocity, and what is its unit? Tap to flip Answer The rate of change of displacement, measured in metres per second (m/s). Question If there is a resultant force on an object, in which direction does it accelerate? Tap to flip Answer In the direction of the resultant force. Question What does a resultant force acting opposite to an object's movement do? Tap to flip Answer It decelerates (slows down) the object. Question What does Newton's Second Law of motion state about acceleration? Tap to flip Answer It is directly proportional to the resultant force on the object and inversely proportional to its mass. Question How is an object's acceleration related to the resultant force on it? Tap to flip Answer It is proportional to the resultant force. Question How is an object's acceleration related to its mass? Tap to flip Answer It is inversely proportional to the mass. Question Which kind of relationship is represented by y ∝ 1/x? Tap to flip Answer An inversely proportional relationship. Question What is an air track used for in experiments? Tap to flip Answer It uses a cushion of air to reduce frictional forces. Question What can be used to measure acceleration accurately? Tap to flip Answer Light gates. Question In a force and acceleration investigation with a hanging mass, is the hanging mass part of the mass being accelerated? Tap to flip Answer Yes: all the connected moving parts accelerate together, so the hanging mass must be included. Question What is the equation for Newton's Second Law? Tap to flip Answer Resultant force = mass × acceleration (F = m × a). Question In F = m × a, which force is F? Tap to flip Answer The resultant force on the object, not just any one of the forces acting on it. Question What is mass, and what is its unit? Tap to flip Answer The amount of matter in an object, measured in kilograms (kg). Question An object is thrown into the air. In which direction is it constantly accelerating? Tap to flip Answer Towards the centre of Earth. Question What is gravitational force? Tap to flip Answer A non-contact force that attracts objects with mass towards each other. Question What is drag? Tap to flip Answer The force of a fluid on an object moving through it, opposite to the object's motion. Question What is terminal velocity? Tap to flip Answer The velocity of an object falling through a fluid when there is zero resultant force on it. Question For a falling object, in which direction does drag act? Tap to flip Answer Opposite to the gravitational force. Question What happens to the air resistance on a falling object as it speeds up? Tap to flip Answer It increases. Question As air resistance increases, does a falling object slow down? Tap to flip Answer No: its speed increases up to a maximum and at no time does it slow down. Question What is a driver's reaction time? Tap to flip Answer The time between noticing a hazard and taking action to deal with it. Question What is thinking distance? Tap to flip Answer The distance a vehicle travels while the driver reacts; the vehicle does not slow during this time. Question What is braking distance? Tap to flip Answer The distance a vehicle travels between the brakes being applied and the vehicle stopping. Question What is stopping distance? Tap to flip Answer The sum of the thinking distance and the braking distance. Question Give one factor that can affect braking distance. Tap to flip Answer E.g. adverse road or weather conditions, or the condition of the vehicle. Question When a vehicle brakes, what happens to the brakes? Tap to flip Answer Work is done on them, which heats them up. Question What can happen if brakes overheat? Tap to flip Answer They can stop working effectively and lead to a loss of control. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage GCSE (Years 10–11) Course GCSE Physics Unit Forces make things change Exam boards AQA, Edexcel, OCR Tiers foundation and higher England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Physics lesson by Oak National Academy licensed under Open Government Licence (OGL)
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