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Unit 2 Vocabulary
Vocabulary Knowledge
Question | Answer |
---|---|
A change in an object's speed or direction | Acceleration |
A slowing or opposing force due to air resistance. | Air resistance |
Total distance an object travels during the total time it travels. | Average speed |
Forces acting on an object that do NOT change its motion. | Balanced forces |
Energy cannot be created nor destroyed. | Conservation of energy |
The path that an object is moving or facing. | Direction |
What is needed to do work or cause change. | Energy |
A push or pull that changes the motion or position of an object. | Force |
A simple machine that is sloping at a particular angle. | Inclined plane |
Energy in motion. | Kinetic energy |
Change in object's position, direction, or location. | Motion |
Sum of all forces acting on an object. | Net force |
The SI unit of force. | Newton |
The point or area occupied by an object. | Position |
Energy stored in a system. | Potential energy |
Measurement of the rate of change in position with respect to time. | Speed |
Forces on an object that cause change in the motion of the object. | Unbalanced forces |