The force on a bullet that results from summing all of the forces on that bullet is known as the _____ on the bullet.

Physics

2 answers:

statuscvo [17]2 years ago

4 0

Answer:

The force on a bullet that results from summing all of the forces on that bullet is known as the net force on the bullet.

Explanation:

Net force represents the overall force or the total force acting on an object.

Here, the object is bullet and the net force acting on it is the addition of all the forces acting on the bullet.

NeX [460]2 years ago

3 0

Net force.

Check and see if this is included in the vocabulary for this subject, there are a few different ways to say this, but this is the most popular (and the one I am most familiar with).

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Combine Newton's 2nd law and Hooke's law for a spring to find the acceleration of the block a(t) as a function of time. Express

Inga [223]

Answer:

$a=-\dfrac{k}{m}x(t)$

Explanation:

From Newton's second law,

$F = ma$

where $F$ is the force, $m$ is the mass and $a$ is the acceleration.

From Hooke's law,

$F = -kx(t)$

where $k$ is the spring constant and $x(t)$ is the displacement function measured from the origin. The negative sign indicates the force acts in opposite direction to the displacement. In fact, it is a restoring force; it acts to return the spring to its original undisturbed position.

Since both forces are the same,

$F = ma= - kx(t)$

$a=-\dfrac{k}{m}x(t)$

The implication of this is that the acceleration is proportional to the displacement but opposite to it. That last statement is the definition of a simple harmonic motion which this is.

The ratio $\dfrac{k}{m}$ is a constant except in situations where the mass is varying (say, the mass on the spring is a decaying material).