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sineoko [7]
4 years ago
10

Choose the option that correctly answers and explains the question, "If the sum of the forces acting on an object equals zero, d

oes this imply the object is at rest?" No, because the sum of the forces equaling zero only implies that the object is not accelerating. No, because even if the sum of the forces equals zero, it may have a nonzero component in one direction. Yes, according to Newton's second law, experiencing zero net force is the definition of being at rest. Yes, because Newton's first law implies that objects in motion must be acted on by a nonzero net force.
Physics
2 answers:
rusak2 [61]4 years ago
6 0

Answer:No it means that the object is at equilibrium

Explanation:

The sum of force acting opposite is equal to zero if forces are equal.

Misha Larkins [42]4 years ago
4 0

Answer:

No, because the sum of the forces equaling zero only implies that the object is not accelerating.

Explanation:

When the sum of the forces acting on an object equals zero, this implies that the object is at equilibrium. And this could be either static or dynamic equilibrium.

A force is an agent that could change the state or direction of motion of an object. When the sum of all forces acting on an object equals zero, this implies all forces cancels out by resolution. Thus, the state of equilibrum is achieved. So this those not necessarily mean that the object is at rest, but could be in a dynamic equilibrium.

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ryzh [129]

Answer:

  ≈ 6.68 m/s

Explanation:

A suitable formula is ...

  vf^2 -vi^2 = 2ad

where vi and vf are the initial and final velocities, a is the acceleration, and d is the distance covered.

We note that if the initial launch direction is upward, the velocity of the ball when it comes back to its initial position is the same speed, but in the downward direction. Hence the problem is no different than if the ball were initially launched downward.

Then ...

  vf = √(2ad +vi^2) = √(2·9.8 m/s^2·1.0 m+(5 m/s)^2) = √44.6 m/s

  vf ≈ 6.68 m/s

The ball hits the ground with a speed of about 6.68 meters per second.

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We assume the launch direction is either up or down.

3 0
3 years ago
What is the centripetal force acting on a 1.5 kg mass moving in a circular path with a centripetal
zloy xaker [14]

The centripetal force acting on a 1.5 kg mass moving in a circular path is 27N

A centripetal force is a net force acting on an object in order to maintain the object's movement in a circular motion.

According  to Newton's first law, it states an object will continue to proceed its movement in a straight line unless acted upon by an external force.

The centripetal force is the external force at work here and  It's the net force that propels the object in a circular motion.

Using the formula for calculating centripetal force:

\mathbf{F_c = mass (m) \times acceleration (a)}

\mathbf{F_c = 1.5 \ kg \times18 \ m/s^2}

\mathbf{F_c = 27 \ N}

Learn more about centripetal force here:

brainly.com/question/11324711?referrer=searchResults

8 0
3 years ago
Equal masses of water at 80°C and paraffin at 20°C are mixed in a container. The specific
erastovalidia [21]
30c that’s right my man Yk the drill
5 0
3 years ago
_________ refers to conversion in the context of intentional torts against property?
Sveta_85 [38]

Answer:

A tort that permanently interferes with another's use and enjoyment of his or her personal property.

Explanation:

An intentional tort is a category of wrongful acts done on purpose by the tortfeasor. Examples are trespass to chattels, conversion, false imprisonment, battery, defamation and assault.

A tort that permanently interferes with another's use and enjoyment of his or her personal property refers to conversion in the context of intentional torts against property.

5 0
3 years ago
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Rudik [331]

Answer:

The expression for the time taken by an object to move with a speed at some distance is,

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Explanation:

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5 0
3 years ago
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