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Questions and Answers
According to Newton’s first law, what can be said about a body when the net external force acting on it is zero?
According to Newton’s first law, what can be said about a body when the net external force acting on it is zero?
- It moves in a circular path
- It accelerates
- It increases velocity continuously
- It remains at rest (correct)
What is the quantity called that is defined as the product of mass and velocity of a particle?
What is the quantity called that is defined as the product of mass and velocity of a particle?
- Frictional force
- Linear momentum (correct)
- Acceleration
- Inertia
If a system of particles experiences no net external force, according to the law of conservation of momentum, what happens to the total momentum of the system?
If a system of particles experiences no net external force, according to the law of conservation of momentum, what happens to the total momentum of the system?
- It decreases
- It becomes zero
- It remains constant (correct)
- It increases
What does Newton's third law of motion state about the forces between two interacting bodies?
What does Newton's third law of motion state about the forces between two interacting bodies?
When can concurrent forces be considered to be in equilibrium?
When can concurrent forces be considered to be in equilibrium?
According to Newton's second law of motion, what happens to the momentum of a body when no force acts on it?
According to Newton's second law of motion, what happens to the momentum of a body when no force acts on it?
What type of force acts on a body when it tries to slide or roll along a surface?
What type of force acts on a body when it tries to slide or roll along a surface?
How does Newton's third law contribute to the conservation of momentum in a system of two bodies?
How does Newton's third law contribute to the conservation of momentum in a system of two bodies?
For an isolated system of two bodies A and B interacting with each other, what does Δptotal = 0 imply?
For an isolated system of two bodies A and B interacting with each other, what does Δptotal = 0 imply?
How is momentum conserved in a collision where two bodies interact with each other for a period of time?
How is momentum conserved in a collision where two bodies interact with each other for a period of time?
In the context of the recoil of a gun when a bullet is fired, how does the law of conservation of momentum explain the velocity of gun recoil?
In the context of the recoil of a gun when a bullet is fired, how does the law of conservation of momentum explain the velocity of gun recoil?
What conclusion can be drawn about an isolated system if there is no change in the total momentum?
What conclusion can be drawn about an isolated system if there is no change in the total momentum?
What is the term used for a reference frame relative to which a body in translatory motion has constant velocity when no net external force acts on it?
What is the term used for a reference frame relative to which a body in translatory motion has constant velocity when no net external force acts on it?
According to Newton's first law of motion, what happens to a body if no net external force acts on it?
According to Newton's first law of motion, what happens to a body if no net external force acts on it?
Which physical quantity is a measure of the inertia of a body?
Which physical quantity is a measure of the inertia of a body?
In the absence of external forces, what type of motion does a body exhibit?
In the absence of external forces, what type of motion does a body exhibit?
What would happen to an object in motion if no net external force is acting on it?
What would happen to an object in motion if no net external force is acting on it?
What is the effect on the motion of a body when a net external force is applied to it?
What is the effect on the motion of a body when a net external force is applied to it?
