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Physics: Newton's Laws of Motion Quiz

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Questions and Answers

What does Newton's first law of motion state about an object at rest?

It will only stay at rest if it is in a vacuum.

It will change its state only when an opposite force is applied.

It will remain at rest unless acted upon by a net external force. (correct)

It will eventually start moving on its own.

According to Newton's second law of motion, how is acceleration of an object related to the net force acting on it?

Acceleration is always equal to the force applied.

Acceleration increases as the mass of an object increases.

Acceleration is directly proportional to net force and inversely proportional to mass. (correct)

Acceleration is independent of the net force.

What is the principle behind Newton's third law of motion?

For every action, there is an equal and opposite reaction. (correct)

The total momentum of a system is always conserved.

For an object to move, a force must be continuously applied.

An object in motion tends to stay in motion.

Which scenario best illustrates the concept of inertia as described by Newton's laws?

<p>A book remaining on a table until pushed.</p> Signup and view all the answers

Which condition is necessary for an object to achieve unbalanced motion according to Newton's laws?

<p>An unopposed force must act on it.</p> Signup and view all the answers

Study Notes

Newton's Laws of Motion

An object at rest will remain at rest unless acted upon by a net force.
Acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
For every action, there is an equal and opposite reaction.
A book lying on a table remains at rest until someone picks it up. This is because the book is at rest, and it will remain at rest unless an unbalanced force acts upon it.
An unbalanced force is required for an object to achieve unbalanced motion. An unbalanced force is a force that causes a change in the motion of an object. For example, if you push a box across a room, you are applying an unbalanced force to the box, causing it to move.

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Description

Test your understanding of Newton's three laws of motion with this quiz. Explore concepts such as inertia, acceleration, and the relation between force and motion. Perfect for students looking to reinforce their physics knowledge.