20 Questions
According to the text, when an object moves with a constant velocity, what can we conclude about the forces acting on it?
There is no unbalanced (net) force acting on it.
What kind of motion does a constant, non-zero net force produce on an object of constant mass?
Constant acceleration
In the given text, which law of motion states that forces always come in pairs, are equal in magnitude and opposite in direction, and act on different objects?
Newton's third law
In the context of Newton's second law of motion, which of the following gives the correct units for force?
$kg m/ s^2$
What is another name for Newton's first law of motion?
Law of Inertia
What is the SI unit of force?
Newton
According to Newton's second law of motion, an object's acceleration is directly proportional to the ____________ and inversely proportional to the mass.
Force
Near the moon’s surface, if an astronaut with a mass of 75.0 kg experiences a weight of 122 N, what is the acceleration due to gravity near the moon's surface?
$1.63 m/s^2$
What is the scientific unit of force?
Newton
What is the value of acceleration due to gravity (g) in m/s^2?
9.8
In the context of Newton's second law of motion, which of the following correctly represents the relationship between force, mass, and acceleration?
$F = m \times a$
If an object is experiencing a non-zero net force, what kind of motion does it produce?
Constant acceleration
What is the value of the weight of an astronaut with a mass of 75.0 kg near the moon's surface?
122 N
When an object moves with a constant velocity, what can we conclude about the forces acting on it?
The net force acting on it is zero
According to Newton's first law of motion, which of the following statements about inertia is correct?
Inertia is the tendency of an object to resist any change in its motion
What does Newton's second law of motion state about an object's acceleration?
Acceleration is directly proportional to the force and inversely proportional to the mass
According to Newton's third law of motion, what can be said about the forces in a pair?
They are equal in magnitude and opposite in direction
What is the scientific unit of force, as mentioned in the text?
Newton (N)
If a force of 50 N is applied to an object with a mass of 5 kg, what will be the resulting acceleration, based on Newton's second law of motion?
$10 , m/s^2$
What is the value of acceleration due to gravity (g) in the British system, as mentioned in the text?
$32.2 , ft/s^2$
Test your knowledge of Newton's first law, also known as the law of inertia, which describes the tendency of an object to resist changes in its motion. This quiz covers concepts such as force, inertia, and the effects on an object's state of motion.
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