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ValentinkaMS [17]
4 years ago
12

Newton’s Second Law of motion defines force in terms of mass and acceleration, F= ma. Which of the following is false? The term

for force in the above equation represents the net force on the object.
The forces creating the net force can lie in any direction.
The forces creating the net force must lie in the same direction.
The acceleration is directed in the same direction as the net force.
A zero net force indicates a state of equilibrium.
Physics
1 answer:
NikAS [45]4 years ago
5 0

Answer:

The forces creating the net force must lie in the same direction.

Explanation:

newton's second law states that the net force acting on the body is equal to the product of mass and the acceleration of the body.

If there are several forces acting on the body in different directions, then we have to find teh net force by using the vector sum and then find the acceleration.

It is not necessary that all the forces acting in the same direction.

if they are in different directions then we have to find the net force by t=using the formula for the vector sum.

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Answer:

400.7886829 rad/s

Explanation:

First we have to turn our 0.35 rev/s into rad/s using the equation

(Xrev/s)*2pi=Xrad/s we can plug in .35*2pi=.7pi rad/s

Now we can us the equation m_1*v_1*r_1^2=m_1*v_2*r_2^2 we can plug in the given. Because the mass remains the same we can cross it off of both sides giving us just: v_1*r_1^2=v_2*r_2^2

(.7pi)*(.54)^2=(v_2)*(.04)^2

(.20412pi)=(v_2)*(.0016)     [.20412pi=.6412618925]

then using division on both sides we get

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See you in Mr.K's class tomorrow! -Ruben

3 0
3 years ago
If 36C ofcharge pass through a write in 4s current is it carrying?​
charle [14.2K]

Answer:

The current flowing through the wire is 9 A.

Explanation:

Given;

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duration of the charge flow, t = 4 s

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I haven't worked on Part-A, and I don't happen to know the magnitude of the gravitational force that the Sun exerts on the Earth.  

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I think that's the THIRD choice here, but I'm not sure of that either.

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