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Force and Motion
Question | Answer |
---|---|
Force | A push or pull that acts on an object. |
Motion | Change in the position of an object. |
Gravity | The force of attraction that exists between two objects. |
Magnetism | The force that exists when a magnetic field is present. |
Friction | A force that resists the movement of one surface past another surface. |
Point of Reference | The location against which motion is measured. |
Gravity | The force of attraction that exists between two objects. |
Magnetism | The force that exists when a magnetic field is present. |
Friction | A force that resists the movement of one surface past another surface. |
Point of Reference | The location against which motion is measured. |
Unbalanced forces | Forces that are not equal in size and direction. |
Equilibrium | When all the forces acting on it balance each other. |
Lubricant | Any substance that reduces friction and helps moving parts move more freely. |
Velocity | Describes the speed and direction of an objects motion. |
Acceleration | The rate at which the velocity of an object changes over time. |