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Science
Question | Answer |
---|---|
Newton's First law of motion | An object at rest or moving at a constant speed in a straight path will continue to do so until a net force acts on it |
Newton's second law of motion | An object acted upon by a net force will accelerate in the direction of the force according to the equation |
Force | A push or pull |
Unbalanced force | The net force on an object are not zero |
Normal force | The outward force from a surface |
Force | A push or pull |
Net force | The total force felt by a object |
Newton's third law of motion | Force always act in equal but opposite pairs |
Balanced force | Two or more forces whose effects cancel each other |
Friction | the rubbing force that acts against motion between two touching surfaces |
An object will __________ when the net force is not zero | Accelerate |
____________ will never speed up an object | Friction |
The friction that prevents an object from moving when a force is applied is ____________ friction | Static |
The friction that slows down an object that slides is _________ friction | Sliding |
A ________ helps reduce sliding friction | Brake |
Normal force is supplied by the __________ of the surface | Slipping |