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An object of mass 2 kg is sliding with a constant velocity of 4 m/ s on a frictionless horizontal table. The force required to keep the object moving with the same velocity is
- a)32 N
- b)0 N
- c)2 N
- d)8 N
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
An object of mass 2 kg is sliding with a constant velocity of 4 m/ son...
Concept of Inertia of motion .. Body will continue it's position of motion unless an external force come into existance..
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An object of mass 2 kg is sliding with a constant velocity of 4 m/ son...
Explanation:
To keep an object moving with a constant velocity, the net force acting on the object must be zero. This is because according to Newton's second law of motion, the net force on an object is equal to the product of its mass and acceleration. Since the object is moving with a constant velocity, its acceleration is zero, which means the net force on the object must also be zero.
Force and motion:
In this scenario, the force required to keep the object moving with the same velocity is zero. This is because there is no friction or any other force acting on the object that would cause it to decelerate or accelerate. Since there is no force opposing the motion of the object, no force is required to maintain its constant velocity.
Frictionless table:
The fact that the table is frictionless is an important detail in this question. If there was friction between the object and the table, a force would be required to overcome the friction and keep the object moving with the same velocity. However, since the table is frictionless, no force is required to counteract friction.
Conclusion:
In conclusion, the force required to keep the object moving with the same velocity on a frictionless horizontal table is zero. This is because the net force on the object must be zero in order for it to maintain a constant velocity.
To keep an object moving with a constant velocity, the net force acting on the object must be zero. This is because according to Newton's second law of motion, the net force on an object is equal to the product of its mass and acceleration. Since the object is moving with a constant velocity, its acceleration is zero, which means the net force on the object must also be zero.
Force and motion:
In this scenario, the force required to keep the object moving with the same velocity is zero. This is because there is no friction or any other force acting on the object that would cause it to decelerate or accelerate. Since there is no force opposing the motion of the object, no force is required to maintain its constant velocity.
Frictionless table:
The fact that the table is frictionless is an important detail in this question. If there was friction between the object and the table, a force would be required to overcome the friction and keep the object moving with the same velocity. However, since the table is frictionless, no force is required to counteract friction.
Conclusion:
In conclusion, the force required to keep the object moving with the same velocity on a frictionless horizontal table is zero. This is because the net force on the object must be zero in order for it to maintain a constant velocity.
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An object of mass 2 kg is sliding with a constant velocity of 4 m/ son a frictionless horizontal table. The force required to keep the object moving with the same velocity isa)32 Nb)0 Nc)2 Nd)8 NCorrect answer is option 'B'. Can you explain this answer?
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