3 years ago

A moving object is in equilibrium. Which best describes the motion of the object if no forces change?

2 answers:

8 0

If the object is in equilibrium that means that the sum of the forces on it is zero and the net force is zero. If none of the forces changes then the object continues in constant uniform motion. That means constant speed in a straight line.

katrin2010 [14]3 years ago

5 0

Answer:

Uniform speed linear motion .

Explanation:

Any object can be in the state of equilibrium is sum of all the forces acting on it is zero means zero net force. If no forces change over it then the object will be uniform motion which means speed will remain constant. Best example for this situation is uniform motion along a straight line or uniform speed linear motion.

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A spherical shell of radius 9.0 cm carries a uniform surface charge density σ= 9.0 nC/m2. The electric field at r= 9.1 cm is app

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8 0

2 years ago

A car moves round a circular track of radius 0.3m of two revolution per/sec find its angular velocity.

Pie

Answer:

the angular velocity of the car is 12.568 rad/s.

Explanation:

Given;

radius of the circular track, r = 0.3 m

number of revolutions per second made by the car, ω = 2 rev/s

The angular velocity of the car in radian per second is calculated as;

From the given data, we convert the angular velocity in revolution per second to radian per second.

$\omega = 2 \ \frac{rev}{s} \times \frac{2\pi \ rad}{1 \ rev} = 4\pi \ rad/s = 12.568 \ rad/s$

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2 years ago