Podcast
Questions and Answers
What is the definition of inertia?
What is the definition of inertia?
- The property of a body to remain in its current state unless acted upon by an external force. (correct)
- A measurable physical quantity that describes resistance to motion.
- The ability to change speed without any net force acting upon it.
- A force that causes acceleration depending on the mass of an object.
Which equation best represents Newton's second law of motion?
Which equation best represents Newton's second law of motion?
- F = ∫Fdt
- F = dp/dt
- F = m(v_f - v_i)
- F = ma (correct)
When is an object said to be in static equilibrium?
When is an object said to be in static equilibrium?
- When the sum of all forces acting on it is less than zero.
- When it has a net force greater than zero.
- When it is at rest or moving with constant velocity. (correct)
- When it experiences acceleration.
What does the impulse-momentum theorem state?
What does the impulse-momentum theorem state?
How does Newton’s third law of motion describe forces?
How does Newton’s third law of motion describe forces?
What does the conservation of momentum principle state?
What does the conservation of momentum principle state?
In the context of a spring force, what does the equation $f_{spring} = kx$ represent?
In the context of a spring force, what does the equation $f_{spring} = kx$ represent?
What is the significance of a free body diagram (F.B.D)?
What is the significance of a free body diagram (F.B.D)?
What is the relationship between the exhaust velocity and net force acting on a rocket during fuel consumption?
What is the relationship between the exhaust velocity and net force acting on a rocket during fuel consumption?
In a gun-bullet system, what condition leads to the recoil of the gun?
In a gun-bullet system, what condition leads to the recoil of the gun?
How does static friction differ from kinetic friction in terms of motion?
How does static friction differ from kinetic friction in terms of motion?
What is the effect of gravitational acceleration on the normal force in a lift during free fall?
What is the effect of gravitational acceleration on the normal force in a lift during free fall?
When calculating tension in a pulley system, what variable does not directly affect the tension experienced by the ropes in a balanced system?
When calculating tension in a pulley system, what variable does not directly affect the tension experienced by the ropes in a balanced system?
What happens to the net force when the combined force applied exceeds the total limiting friction in a two-block system?
What happens to the net force when the combined force applied exceeds the total limiting friction in a two-block system?
In a block-over-block scenario, if the maximum acceleration $a_{max}$ is greater than the applied acceleration $a$, what occurs?
In a block-over-block scenario, if the maximum acceleration $a_{max}$ is greater than the applied acceleration $a$, what occurs?
Which of the following statements regarding pseudo forces is correct?
Which of the following statements regarding pseudo forces is correct?
