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OCR Gateway P3 (Forces for Transport) Key Terms
Terms in this set (29)
A change in the velocity of an object
A safety device in a car designed to change the velocity during a crash as a result it increases braking and stopping distance as well as reducing force on passenger
The force applied on a moving object by the surrounding air
The distance travelled by a vehicle once the brakes have been applied, before it comes to a stop.
The distance travelled by a vehicle when the driver is thinking about what to do, before they make the make the action.
Conservation of energy
Energy can not be created or destroyed, just transferred from one form to another. If the amount of one type of energy in a system increases, then another type must increase by the same amount.
Conservation of momentum
The total momentum before an interaction between objects is equal to the total interaction.
A force acting in the opposite direction to that of the object.
An area at the front of a car designed to crumple in a collision, increasing the braking distance and thinking distance therefore reducing the force on the passenger.
The change of energy from one form to another.
A push or pull experienced by an object when it interacts with another object.
A force resisting the motion of an object sliding across another.
Gravitational Potential Energy
The amount of energy stored when an object is raised to a higher point in the Earth's gravitational field.
A force of attraction between two objects.
The energy of a moving object.
The amount of matter in an object, measured in kg.
The quantity of motion that an object has.
The units for measuring force.
The rate of energy used
The force exerted by a surface on an object resting on it.
The sum of all forces acting upon an object.
A safety device designed to slow a passenger down safely in a collision.
The distance covered in a given amount of time.
The distance travelled that a vehicle covers before coming to a stop (the braking distance+ the thinking distance).
The maximum velocity reached by a falling object.
Unequal forces in opposite directions producing a change in velocity.
Speed in a particular direction.
The force on an object due to gravity.
Work (Work Done)
The amount of energy transferred when a force moves an object.
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