Physics, 05.09.2019 21:30 aletadaboss

3. during a tug-of-war, team a pulls with a
force of 5,000 n while team b pulls with
a force of 8,000 n. what is the net force
applied to the rope?

Answers: 1

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Answer from: 120175

The net force on the rope is 3000 N towards Team B.

Explanation:

Balanced force is defined as the forces that gets cancelled out when equal forces are acting in the opposite direction. The net force on the system comes out to be 0.

Unbalanced force is defined as the forces that does not get cancelled out because unequal forces act on the system in opposite direction. The motion of the object is in the direction of net force.

According to the question:

Force applied by Team A on the rope in tug-of-war = 5000 N

Force applied by Team B on the rope in tug-of-war = 8000 N

Net force acting on the rope = 8000 - 5000 = 3000 N (acting towards Team B)

Hence, the net force on the rope is 3000 N towards Team B.

Answer from: Quest

Is there a picture to go along with this

Answer from: Quest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

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3. during a tug-of-war, team a pulls with a
force of 5,000 n while team b pulls with
a f...

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