Podcast
Questions and Answers
What is the upper limit of the speed of the vehicle at the topmost point of the convex over bridge?
What is the upper limit of the speed of the vehicle at the topmost point of the convex over bridge?
- $\dfrac{rg}{11}$ (correct)
- $\dfrac{rg}{12}$
- $\dfrac{rg}{14}$
- $\dfrac{rg}{13}$
What imposes an upper limit on the speed of the vehicle at the uppermost position?
What imposes an upper limit on the speed of the vehicle at the uppermost position?
- Friction acting on the vehicle
- Increased weight of the vehicle
- Normal reaction force going to zero (correct)
- Decreasing centripetal force
What is the major force experienced during a roller coaster ride?
What is the major force experienced during a roller coaster ride?
- Normal reaction force (correct)
- Weight force
- Friction force
- Centripetal force
What is the value of maximum velocity experienced in a roller coaster ride described in the text?
What is the value of maximum velocity experienced in a roller coaster ride described in the text?
What happens to the normal reaction force as the speed of the vehicle is increased?
What happens to the normal reaction force as the speed of the vehicle is increased?
Why are the kinematical equations given in the table1 not applicable in the described motion?
Why are the kinematical equations given in the table1 not applicable in the described motion?
What indicates an upper limit on the speed at the uppermost point of the motion?
What indicates an upper limit on the speed at the uppermost point of the motion?
How can we determine the position vector or velocity at any instant in the described scenario?
How can we determine the position vector or velocity at any instant in the described scenario?
What do equations (1.10) and (1.13) provide in the scenario?
What do equations (1.10) and (1.13) provide in the scenario?
Why is a certain minimum speed necessary at the uppermost point for a string and not for a rod?
Why is a certain minimum speed necessary at the uppermost point for a string and not for a rod?
What is required continuously to overcome air resistance in reality?
What is required continuously to overcome air resistance in reality?
What is essential for a motion to be circular?
What is essential for a motion to be circular?
Why is practically zero speed possible at the uppermost point for a rod?
Why is practically zero speed possible at the uppermost point for a rod?
In an inertial frame of reference, how is a body observed when performing a circular motion?
In an inertial frame of reference, how is a body observed when performing a circular motion?
What is the magnitude of the centrifugal force in a uniform circular motion?
What is the magnitude of the centrifugal force in a uniform circular motion?
What is the direction of the centrifugal force in a circular motion?
What is the direction of the centrifugal force in a circular motion?
What can be noticed when a mass performs horizontal motion on a spring balance?
What can be noticed when a mass performs horizontal motion on a spring balance?
What does Figure 1.4 show in relation to a car on a horizontal circular track?
What does Figure 1.4 show in relation to a car on a horizontal circular track?
What type of republic is India according to the Preamble of the Constitution of India?
What type of republic is India according to the Preamble of the Constitution of India?
Which of the following is NOT one of the values promised to Indian citizens in the Preamble?
Which of the following is NOT one of the values promised to Indian citizens in the Preamble?
When was the Constitution of India adopted by the Constituent Assembly?
When was the Constitution of India adopted by the Constituent Assembly?
Who is mentioned as the publisher in the provided text?
Who is mentioned as the publisher in the provided text?
Which value mentioned in the Preamble aims to assure the dignity of the individual and unity of the Nation?
Which value mentioned in the Preamble aims to assure the dignity of the individual and unity of the Nation?
What is the main purpose of the Constitution of India as stated in the Preamble?
What is the main purpose of the Constitution of India as stated in the Preamble?
What is the angle of contact when a liquid completely wets a solid surface?
What is the angle of contact when a liquid completely wets a solid surface?
In the case where T2 > T1 and (T2-T1) < T3, what is the nature of the angle of contact θ?
In the case where T2 > T1 and (T2-T1) < T3, what is the nature of the angle of contact θ?
Which force is the resultant force when the angle of contact is zero?
Which force is the resultant force when the angle of contact is zero?
What does it mean when θ → 00?
What does it mean when θ → 00?
In Fig. 2.19 (c), why is the angle of contact almost zero?
In Fig. 2.19 (c), why is the angle of contact almost zero?
