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Physics: Newton's Laws of Motion

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Questions and Answers

What does Newton's first law of motion state about a body at rest or in uniform motion?

It will continue in its state unless acted on by a resultant force. (correct)

It will eventually come to a stop due to friction.

It will remain in motion unless acted upon by an equal force.

It will change direction unless acted upon by an external force.

According to Newton's second law, how is the resultant force related to momentum?

The resultant force is dependent on temperature changes.

The resultant force is proportional to the rate of change of momentum. (correct)

The resultant force equals the mass multiplied by velocity.

The resultant force is constant regardless of the mass.

What is the correct formula representation of Newton's second law?

F = m.∆v/∆t (correct)

F = m.v

F = m/t

F = ∆m.∆v

What does Newton's third law refer to when discussing forces between two bodies?

<p>For every force, there exists an equal but opposite force on a different body.</p> Signup and view all the answers

If body A exerts a force on body B, what must body B do according to Newton's third law?

<p>Body B must exert a force equal in size but opposite in direction on body A.</p> Signup and view all the answers

Study Notes

Newton's Laws of Motion

Newton's First Law: An object at rest stays at rest, and an object in motion stays in motion at a constant velocity unless acted upon by a force.
Inertia: The tendency of an object to resist changes in its state of motion.
Newton's Second Law: The net force acting on an object is directly proportional to the object's mass and acceleration.
- Equation: F=ma, where F is the net force, m is the mass, and a is the acceleration.
- Acceleration: The rate of change of velocity.
Newton's Third Law: For every action, there is an equal and opposite reaction.
- Action-Reaction Pair: The forces are exerted by two different objects on each other. They are equal in magnitude and act in opposite directions.

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Description

Test your understanding of Newton's Laws of Motion with this quiz! Covering the principles of inertia, the relationship between force, mass, and acceleration, and the action-reaction pairs, this quiz helps reinforce key concepts in physics. Perfect for students looking to master motion and forces.