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4 years ago

According to Newton's second law of motion, if a rigid body of unchanging mass is observed accelerating, what must be happening?

2 answers:

8 0

First off, Newton's second law of motion is the acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
So therefore, it would be a force is being applied to the mass

Darya [45]4 years ago

5 0

Answer:

Force acting on the body

Explanation:

From Newton's second law of motion:

F = m a

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

The acceleration produced in a body having mass m is directly proportional to a net non-zero force acting on the body.

If the mass also changes, the acceleration depends on both the force and the mass.

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A device that uses electromagnetic induction to transfer electrical energy from one circuit to another is a(n)_____.

Nutka1998 [239]

A device that uses electromagnetic induction to transfer electrical energy from one circuit to another is a transformer.

<h3>Which device uses electromagnetic induction to transfer electrical energy from one circuit to another?</h3>

A transformer is an electrical device that transfers energy from one electric circuit to another using the electromagnetic induction principle.
It is intended to change the AC voltage between the circuits while keeping the current's frequency constant.
A transformer work on the principle of electromagnetic induction in which flux is linked from primary to secondary.
Transformers accomplish this without establishing a conductive link between the two circuits. This is made feasible by using Faraday's Law of Induction, which explains how an electric circuit will interact with a magnetic field to produce an electromotive force (EMF).

To learn more about transformers refer:

brainly.com/question/25886292

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3 0

2 years ago

The net external force on the propeller of a 3.0 kg model airplane is 6.8 N forward.What is the acceleration of the airplane? An

solong [7]

The correct answer to the question is 2.27 $m/s^2$ i.e the acceleration of the body is 2.27 $m/s^2$ along the forward direction.

CALCULATION:

As per the question, the net external force on the propeller of model airplane F = 6.8 N.

The mass of the model air plane m = 3.0 kg

We are asked to calculate the acceleration of the air plane.

From Newton's second law of motion, we know that the net external force acting on a body is equal to the product of mass with acceleration of that body.

Mathematically force F = m × a

⇒ $a=\ \frac{F}{m}$

$=\ \frac{6.8\ N}{3.0\ kg}$

$=\ 2.27\ m/s^2$ [ans]

The direction of acceleration is along the direction of force. Hence, the acceleration of the propeller is 2.27 $m/s^2$ along forward direction.

8 0

4 years ago

What does vitamin c do for our body?

Ksju [112]

Answer:

necessary for the growth, development and repair of all body tissues. it's involved in many body functions, including formation of collagen, absorption of iron, the proper functioning of the immune system, wound healing, and the maintenance of cartilage, bones, and teeth.

Explanation:

6 0

3 years ago

Read 2 more answers

What is the instantaneous velocity of a freely falling object 12 s after it is released from a position of rest?

vova2212 [387]

U=0ms^-1
t=12s
a=-9.81ms^-1
v=?

from an equation,v=u+at

v=0+(-9.81)(12)
=-117.72ms^-1

7 0

4 years ago

Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star.

Andrews [41]

Answer: