What is the description of how stationary things react to pushes and pulls

Physics

1 answer:

Ainat [17]4 years ago

7 0

The object is no longer stationary when it is applied by push or pull.

<h3><u>Explanation: </u></h3>

The stationary position of an object means it is at one spot and remains there until an external stimulus is added.

To move an object from it's stationary position, an external stimulus, a push or a pull is applied to it. This push or pull is called Force. It is used for the following:

a) Moving an object

b) Bringing a moving object to a stop

c) Changing the shape of an object

The effect of force on a stationary object is determined on the basis of it's two types: Balanced forces and Unbalanced forces

Balanced forces would either keep a stationary object in the same state or a moving object continues to move in the same direction and same speed as it did earlier. These forces are applied on an object from opposite directions and in equal amount.Unbalanced forces are two forces applied on an object. The forces are unequal in amount. They cause a change in the speed and direction of a moving object.

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Describe the image of an object that is 38 cm from a concave mirror that has a focal length of 10 cm.

harina [27]

Let's start by using the mirror equation:
$\frac{1}{f}= \frac{1}{d}+ \frac{1}{q}$
where f=10 cm is the focal lenght of the mirror, d=38 cm is the distance of the object from the mirror, while q is the distance of the image from the mirror.
For the sign convention, f is taken as positive for a concave mirror. Therefore, we can solve the equation for q:
$\frac{1}{q}= \frac{1}{f}- \frac{1}{d} = \frac{1}{10 cm}- \frac{1}{38 cm}$
from which we find q=13.6 cm.

The fact that q is positive means that the image is real, so it is on the same side of the object, with respect to the mirror.

Then we can also find the size of the image with respect to the original object. The magnification is given by
$M=- \frac{q}{d} =- \frac{13.6}{38}=-0.36$
The negative sign means that the image is inverted, and the size of the image is 0.36 times the size of the object.

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3 years ago

How do I find the work done by something if I am only given force, mass, and acceleration?

Anna [14]

Yeah oppp because this is yes

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3 years ago

Electromagnetic waves are produced when _____.

Tju [1.3M]

Answer: The correct answer is a.

Explanation:

Electromagnetic wave is a wave in which the magnetic field and the electric field are perpendicular to each other.

Both fields are directed in the direction of the propagation of the electromagnetic wave. It travels with the speed of the light.

The motion of the electric field produces both electric field and the magnetic field.

The electromagnetic waves are produced when an electric charge vibrates or accelerates.

Therefore, the correct option is (a).

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3 years ago

Read 2 more answers

During the spin cycle of your clothes washer, the tub rotates at a steady angular velocity of 31.7 rad/s. Find the angular displ

Crank

Answer:

$\Delta \theta = 3116.11\,rad$ and $\Delta \theta = 495.944\,rev$

Explanation:

The tub rotates at constant speed and the kinematic formula to describe the change in angular displacement ( $\Delta \theta$ ), measured in radians, is: