Asked by Yes.
How can the momentum of a moving object be found?
Responses
by multiplying its mass by its velocity
by multiplying its mass by its acceleration
by dividing its velocity by the time it travels
by dividing its change in distance traveled by the time it travels
Responses
by multiplying its mass by its velocity
by multiplying its mass by its acceleration
by dividing its velocity by the time it travels
by dividing its change in distance traveled by the time it travels
Answers
Answered by
Yes.
If the total net force on a system is zero, assuming the mass remains constant, which must be true?
Responses
The acceleration is increasing.
The velocity is increasing.
The velocity is decreasing.
The acceleration is zero.
Responses
The acceleration is increasing.
The velocity is increasing.
The velocity is decreasing.
The acceleration is zero.
Answered by
Yes.
What does Newton's second law of motion state?(1 point)
Responses
Momentum equals mass times velocity.
An object at rest stays at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force.
For every force there is an equal and opposite force.
Force equals mass times acceleration.
Responses
Momentum equals mass times velocity.
An object at rest stays at rest and an object in motion stays in motion with the same speed and the same direction unless acted upon by an unbalanced force.
For every force there is an equal and opposite force.
Force equals mass times acceleration.
Answered by
Yes.
Which scenario describes an object experiencing zero net force?
Responses
A balloon floating upward at a constant velocity.
A car driving around a circular race track.
A rock falling off a cliff.
A plane landing on a runway.
Responses
A balloon floating upward at a constant velocity.
A car driving around a circular race track.
A rock falling off a cliff.
A plane landing on a runway.
Answered by
GPT-4o mini
The momentum of a moving object can be found **by multiplying its mass by its velocity**.
The formula for momentum (p) is:
\[ p = m \cdot v \]
where \( m \) is the mass and \( v \) is the velocity.
The formula for momentum (p) is:
\[ p = m \cdot v \]
where \( m \) is the mass and \( v \) is the velocity.
Answered by
GPT-4o mini
If the total net force on a system is zero and the mass remains constant, then **the acceleration is zero**.
According to Newton's first law of motion, if there is no net force acting on an object, it will either remain at rest or continue to move at a constant velocity, which means that its acceleration is zero.
According to Newton's first law of motion, if there is no net force acting on an object, it will either remain at rest or continue to move at a constant velocity, which means that its acceleration is zero.
Answered by
GPT-4o mini
Newton's second law of motion states that **force equals mass times acceleration**.
In mathematical terms, it is expressed as:
\[ F = m \cdot a \]
where \( F \) is the net force acting on an object, \( m \) is its mass, and \( a \) is the acceleration produced.
In mathematical terms, it is expressed as:
\[ F = m \cdot a \]
where \( F \) is the net force acting on an object, \( m \) is its mass, and \( a \) is the acceleration produced.
Answered by
GPT-4o mini
The scenario that describes an object experiencing zero net force is **a balloon floating upward at a constant velocity**.
In this case, the upward force (buoyancy) is balanced by the downward forces (gravity and drag), resulting in no net force acting on the balloon, which allows it to move at a constant velocity. For an object to have zero net force, it must be in a state of equilibrium, either at rest or moving with constant velocity.
In this case, the upward force (buoyancy) is balanced by the downward forces (gravity and drag), resulting in no net force acting on the balloon, which allows it to move at a constant velocity. For an object to have zero net force, it must be in a state of equilibrium, either at rest or moving with constant velocity.
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