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3 years ago

Help me, this is my last question pls.

Physics

2 answers:

Cloud [144]3 years ago

6 0

If resultant force on the body is 0 the acceleration will also be 0.

<h3>What is acceleration?</h3>

The term "acceleration" refers to the change in velocity with time. We must also recall that force is the product of mass and acceleration. If that is so, we can write; F = ma.

Now, we are told that the force on the body is zero so making the acceleration the subject of the formula; a = 0/mand a = 0.

Hence, if resultant force on the body is 0 the acceleration will also be 0.

Learn more about acceleration: brainly.com/question/2437624

Alex777 [14]3 years ago

4 0

Answer:

it means that the acceleration vanishes we can say that from newton first law of motion if an object experiences zero resultant force then its force wont change and so the object will have zero acceleration

Explanation:

n say that

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If the value of static friction for a couch is 400N, what could be a possible value of its kinetic friction? *

Dafna11 [192]

Answer:

kinetic friction may be greater than 400 N or smaller than 400 N

Explanation:

As we know that maximum value of static friction on the rough surface is known as limiting friction and the formula of this limiting friction is known as

$F_s = \mu_s N$

now when object is sliding on the rough surface then the friction force on that surface is known as kinetic friction and the formula of kinetic friction is known as

$F_k = \mu_k N$

now we know that

$\mu_k < \mu_s$

so here value of limiting static friction force is always more than kinetic friction

also we know that

initially when body is at rest then static friction value will lie from 0 N to maximum limiting friction

and hence kinetic friction may be greater than static friction or if the static friction is maximum limiting friction then kinetic friction is smaller than static friction

so kinetic friction may be greater than 400 N or smaller than 400 N

5 0

3 years ago

Describe how a metamorphic rock might become a sedimentary rock over time.

andriy [413]

<span>Metamorphic rock undergoes weathering, erosion; the particles are deposited and undergo lithification.</span>

7 0

3 years ago

Two college teams, A and B, are playing a game of tug of war. Team A applies a force of 103 newtons, but the rope does not move

Kipish [7]

Given that the rope is not moving (acceleration is zero), by the second Law of Newton (F=m*a), the net force acting on the rope is zero.

Then, the force applied by the team B equals the force applied by the tema A: 103 N.

7 0

3 years ago

Read 2 more answers

Two friends are walking on a hot beach on a hot summer day. one friend reports her feet are becoming hot she needs her sandals.

nata0808 [166]

Answer:

conduction

Explanation:

6 0

3 years ago

FORMULA PLEASE AND explINATION

Alex_Xolod [135]

2 Newtons to the right.

3 newtons are needed to over come the friction. There are 2 left over.

So the answer is 2 newtons to the right.

5 - 3 = 2

7 0

3 years ago