Physics Middle School

. Friction is a rubbing force that ___________ a spinning yo-yo.
slows down
speeds up
adds energy to
does not affect

Answers

Answer 1
The yo-yo speeds up when you rub it
Answer 2

Answer:

i think add energy

Explanation:

Related Questions

What is the gravitational force between two cars (one car is 1500 kg and the other car is 1000 kg) in a parking lot that are three meters from each other?

Answers

Answer: Your answer 0.000002500737 in pounds-force!

Explanation: Hope my answer helped you! Plz, mark my answer as Brainliest and Thank you!

true or false:
warm air sinks and cold air rises
EASY POINTS!
AND BraINliEsT! ​

Answers

Answer:

False

Explanation:

Hot air is lighter and cold air is heavier so hot air rises and cold air sinks.

False because hot air is lighter and cold air is heavier

PLS ANSWER!!! WILL GIVE BRAINLIESTAND 50 POINTS!!!!! Copernicus determined, for each planet, the approximate (1)______ of (2)______ required to orbit around the sun.
Question 1:
A. Period
B. Orbit
C. Distance
D. Cycle
Question 2:
A. Revolution
B. Rotation
C. Orbit
D. Distance

Answers

Answer:

period of revolution

Explanation:

....

Approximate of (1) period of (2) revolution required to orbit around the sun

Hope this helps ☺️

Build your turkey on slide 3 Write a story about your turkey on slide 4 i need this soon pls hurry heres what you need to know
Name:Hermy

Age:15

Height:5,5

Weigh:115.01

City: london

Country: united kingdom

Answers

Hi, I would like to answer your question but what do you mean by turkey?

Lan tries to make a 10 W lightbulb light up by connecting it to a battery with
an insulated copper wire. When the lightbulb does not light up, she assumes
that the battery is dead. What can she do to make an electric current flow
through the lightbulb?
A. Replace the battery with a coil of the wire, and then pass a magnet
back and forth through the coil.
B. Replace the battery with a magnet, and then pass a piece of wire
back and forth over the magnet.
O C. Wrap a magnet with several coils of the wire, and then hold the
lightbulb close to the wire.
D. Wrap the lightbulb with several coils of the wire, and then hold a
magnet close to the wire.

Answers

Answer:

A

Explanation:

When a magnet passes through something that's copper, there is a reaction that generates an electric pulse. Passing a magnet back and forth through the wire is much more likely to generate the electrical charge needed then the other options given.

Lan can  replace the battery with a coil of the wire, and then pass a magnet back and forth through the coil to make an electric current flow through the lightbulb. Hence option (A) is correct.

What is electromagnetic induction ?

The generation of an electromotive force (emf) across an electrical conductor in a fluctuating magnetic field is known as electromagnetic or magnetic induction.

Induction was first observed in 1831 by Michael Faraday, and James Clerk Maxwell mathematically named it Faraday's law of induction. The induced field's direction is described by Lenz's law. One of the four Maxwell equations in his theory of electromagnetic, the Maxwell-Faraday equation is a generalization of Faraday's law.

When Lan replace the battery with a coil of the wire, and then pass a magnet back and forth through the coil, it generates electromagnetic induction and electric current flows through the lightbulb.

Learn more about electromagnetic induction here:

https://brainly.com/question/26334813

#SPJ2

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