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Questions and Answers
What is kinetic energy?
What is kinetic energy?
- The result or change that happens because of an event or process
- The amount of matter that makes up an object
- The energy that an object has because it is moving (correct)
- The force applied to an object
What is friction?
What is friction?
- The amount of matter that makes up an object
- A push or pull that can change the motion of an object
- The energy that an object has because it is moving
- The force between an object and the surface it is moving over (correct)
What does it mean to infer?
What does it mean to infer?
- The amount of matter that makes up an object
- To reach a conclusion using evidence and reasoning (correct)
- The energy that an object has because it is moving
- The force applied to an object
True or false: Velocity is the amount of matter that makes up an object?
True or false: Velocity is the amount of matter that makes up an object?
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True or false: Exerting a force can change the motion of an object?
True or false: Exerting a force can change the motion of an object?
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True or false: Collision is the moment when an object hits a surface?
True or false: Collision is the moment when an object hits a surface?
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Study Notes
Kinetic Energy
- The energy an object possesses due to its motion.
Friction
- A force that opposes motion between two surfaces in contact.
Inference
- A conclusion reached on the basis of evidence and reasoning.
Velocity and Matter
- False. Velocity is the rate of change of an object's position over time.
Force and Motion
- True. Exerting a force can cause an object to start moving, stop moving, or change direction.
Collision
- True. A collision occurs when two objects come into contact.
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