What is Newton's Second Law of Motion?
Newton Laws & Free Body Diagrams

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Physics
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11th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Newton's Second Law of Motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. It can be expressed with the formula F = ma, where F is the net force, m is the mass, and a is the acceleration.
2.
FLASHCARD QUESTION
Front
What is friction?
Back
Friction is a force that opposes the motion of an object. It acts parallel to the surfaces in contact and can cause an object to slow down or stop.
3.
FLASHCARD QUESTION
Front
How do you calculate net force?
Back
Net force is calculated by vector addition of all the individual forces acting on an object. If forces are in the same direction, they are added; if they are in opposite directions, they are subtracted.
4.
FLASHCARD QUESTION
Front
What does it mean for forces to be balanced?
Back
Forces are balanced when the net force acting on an object is zero, resulting in no change in motion. This occurs when all forces acting on the object cancel each other out.
5.
FLASHCARD QUESTION
Front
What does kg represent?
Back
Kg (kilogram) is a unit of mass in the International System of Units (SI). It measures the amount of matter in an object.
6.
FLASHCARD QUESTION
Front
What is inertia?
Back
Inertia is the tendency of an object to resist changes in its state of motion. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.
7.
FLASHCARD QUESTION
Front
What is Newton's First Law of Motion?
Back
Newton's First Law of Motion states that an object will remain at rest or in uniform motion in a straight line unless acted upon by a net external force.
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