acceleration - The change in velocity of an object over time., air resistance - A force that acts in the opposite direction to an object’s movement as it travels through the air., atmosphere - The layer of gases that surrounds the Earth., atmospheric pressure - The pressure created by air molecules colliding with the surface of the Earth., braking distance - The distance a vehicle travels under the braking force., centre of mass - The single point at which the weight of an object is considered to act., closed system - An object or group of objects in which the total amount of energy is constant., component forces  - A single resultant force can be resolved into these two perpendicular forces., compressed - Pressed or squeezed together. , conservation of momentum - In a closed system, the total momentum before an event is equal to the total momentum after the event., contact force - A force that acts between objects that are physically touching., deceleration - The decrease in velocity of an object over time., velocity - Speed in a given direction. It is a vector quantity., vector quantity - A quantity that has magnitude and an associated direction., scalar quantity - A quantity that has magnitude only.,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?