Podcast
Questions and Answers
What is the condition for a particle to move with constant speed?
What is the condition for a particle to move with constant speed?
- Acceleration is zero (correct)
- Initial velocity is zero
- Initial velocity and acceleration are parallel to each other
- Final velocity is equal to initial velocity
What is the relationship between distance travelled and time when a body moves with uniform acceleration from rest?
What is the relationship between distance travelled and time when a body moves with uniform acceleration from rest?
- s ∝ t
- s ∝ t^2 (correct)
- s ∝ 1/t
- s ∝ t^3
What is the equation of motion that relates velocity and acceleration?
What is the equation of motion that relates velocity and acceleration?
- v = u / at
- v = u × at
- v = u - at
- v = u + at (correct)
What is the condition for one-dimensional motion?
What is the condition for one-dimensional motion?
What is the equation that relates velocity, initial velocity, and acceleration?
What is the equation that relates velocity, initial velocity, and acceleration?
What does the slope of a position-time graph represent?
What does the slope of a position-time graph represent?
What does a line parallel to the time axis on a position-time graph indicate?
What does a line parallel to the time axis on a position-time graph indicate?
What does a line with a constant slope on a position-time graph indicate?
What does a line with a constant slope on a position-time graph indicate?
What does a bending line towards the position axis on a position-time graph indicate?
What does a bending line towards the position axis on a position-time graph indicate?
What is the physical significance of θ = 90° on a position-time graph?
What is the physical significance of θ = 90° on a position-time graph?
What can be inferred about the motion of a particle if its displacement is directly proportional to the square of time?
What can be inferred about the motion of a particle if its displacement is directly proportional to the square of time?
What is the direction of the average acceleration of a particle that moves eastwards with a velocity of 5 m/s and then changes to 5 m/s northwards in 10 seconds?
What is the direction of the average acceleration of a particle that moves eastwards with a velocity of 5 m/s and then changes to 5 m/s northwards in 10 seconds?
What is the relationship between the velocity and acceleration of a particle moving with uniform acceleration?
What is the relationship between the velocity and acceleration of a particle moving with uniform acceleration?
What is the acceleration of a particle moving with a velocity that is proportional to the square root of time?
What is the acceleration of a particle moving with a velocity that is proportional to the square root of time?
What is the direction of the velocity of a particle moving eastwards with a velocity of 5 m/s that changes to 5 m/s northwards in 10 seconds?
What is the direction of the velocity of a particle moving eastwards with a velocity of 5 m/s that changes to 5 m/s northwards in 10 seconds?
What is the ratio of velocities of particles A and B if their displacement-time graphs are straight lines inclined at angles of 30° and 60° with the time axis?
What is the ratio of velocities of particles A and B if their displacement-time graphs are straight lines inclined at angles of 30° and 60° with the time axis?
What is the characteristic of the motion of a particle if its position-time graph is a straight line with a constant slope?
What is the characteristic of the motion of a particle if its position-time graph is a straight line with a constant slope?
A particle moves along the x-axis with a position given by the table: t (s) 0 1 2 3, x (m) –2 0 6 16. What is the correct description of the motion?
A particle moves along the x-axis with a position given by the table: t (s) 0 1 2 3, x (m) –2 0 6 16. What is the correct description of the motion?
Two particles A and B move along the x-axis with displacement-time graphs that are straight lines inclined at angles of 30° and 60° with the time axis. What is the ratio of their velocities?
Two particles A and B move along the x-axis with displacement-time graphs that are straight lines inclined at angles of 30° and 60° with the time axis. What is the ratio of their velocities?
What is the motion of a particle if its distance-time graph is a straight line with a constant slope?
What is the motion of a particle if its distance-time graph is a straight line with a constant slope?
What is the primary reason why the three observers describe the position of point O differently?
What is the primary reason why the three observers describe the position of point O differently?
What is the minimum number of factors required to completely express the position of a point?
What is the minimum number of factors required to completely express the position of a point?
What is the term used to describe a system to which a set of coordinates are attached and with reference to which an observer describes any event?
What is the term used to describe a system to which a set of coordinates are attached and with reference to which an observer describes any event?
What is the condition for an object to be said to be at rest?
What is the condition for an object to be said to be at rest?
What is the expression for the position vector of a point in a three-dimensional space with coordinates (x, y, z)?
What is the expression for the position vector of a point in a three-dimensional space with coordinates (x, y, z)?
A particle moves from a point $rˆi$ to a point $rˆj$ in a coordinate system. What is the magnitude of displacement?
A particle moves from a point $rˆi$ to a point $rˆj$ in a coordinate system. What is the magnitude of displacement?
A body moves over one fourth of a circular arc in a circle of radius r. What is the magnitude of distance travelled?
A body moves over one fourth of a circular arc in a circle of radius r. What is the magnitude of distance travelled?
A wheel of radius R rolls forward half a revolution. What is the magnitude of displacement of the point initially in contact with the ground?
A wheel of radius R rolls forward half a revolution. What is the magnitude of displacement of the point initially in contact with the ground?
What is the rate of distance covered with time called?
What is the rate of distance covered with time called?
Which of the following is a scalar quantity?
Which of the following is a scalar quantity?