Physics Syllabus (JEE Main)
Download Q&A
Q. A flywheel is rotating with an angular speed of 20 rad/s. If it comes to rest in 5 seconds, what is the angular deceleration?
Q. A flywheel is rotating with an angular speed of 20 rad/s. If it experiences a torque of 5 Nm, what is the time taken to stop it?
Q. A flywheel is rotating with an angular velocity of 10 rad/s. If it is subjected to a torque of 5 Nm, what is the angular acceleration?
Q. A flywheel is rotating with an angular velocity of 15 rad/s. If it comes to rest in 3 seconds, what is the angular deceleration?
Q. A flywheel is rotating with an angular velocity of 15 rad/s. If it experiences a torque of 3 N·m, what is the angular acceleration?
Q. A flywheel is rotating with an angular velocity of 20 rad/s. If it comes to rest in 5 seconds, what is the angular deceleration?
Q. A flywheel is rotating with an angular velocity of 20 rad/s. If it experiences a constant torque that reduces its angular velocity to 10 rad/s in 5 seconds, what is the magnitude of the torque if the moment of inertia is 4 kg·m²?
Q. A force is measured as 100 N with an uncertainty of ±2 N. What is the maximum possible value of the force?
Q. A force is measured as 50 N with an uncertainty of ±1 N. What is the percentage uncertainty in the force measurement?
Q. A force is measured as 50 N with an uncertainty of ±2 N. What is the percentage uncertainty in the force measurement?
Q. A force is measured as 50 N with an uncertainty of ±2 N. What is the relative uncertainty in this force measurement?
Q. A force of 10 N is applied at a distance of 0.5 m from the pivot point. What is the torque about the pivot?
Q. A force of 10 N is applied at a distance of 2 m from the pivot point. What is the torque about the pivot?
Q. A force of 10 N is applied at a distance of 2 m from the pivot point. What is the torque about the pivot point?
Q. A force of 10 N is applied at an angle of 60 degrees to a lever arm of 2 m. What is the torque about the pivot?
Q. A force of 10 N is applied to a 2 kg object at rest. What is the final velocity of the object after 5 seconds?
Q. A force of 10 N is applied to a 2 kg object. What is the net force acting on the object if it is also experiencing a frictional force of 4 N?
Q. A force of 10 N is applied to a 2 kg object. What is the object's acceleration?
Q. A force of 10 N is applied to a 2 kg object. What is the resulting acceleration?
Q. A force of 15 N is applied at an angle of 30° to the horizontal while moving an object 4 m. What is the work done by the force?
Q. A force of 15 N is applied at an angle of 60 degrees to a lever arm of 1 m. What is the torque?
Q. A force of 15 N is applied at an angle of 60 degrees to the horizontal while moving an object 4 m. What is the work done?
Q. A force of 15 N is applied to a 3 kg object. What is the net force acting on the object if it is also experiencing a frictional force of 5 N?
Q. A force of 15 N is applied to a 3 kg object. What is the object's acceleration?
Q. A force of 15 N is applied to a 3 kg object. What is the resulting acceleration?
Q. A force of 15 N is applied to a 5 kg object. What is the object's acceleration?
Q. A force of 15 N is applied to move an object 3 m at an angle of 60 degrees to the horizontal. What is the work done by the force?
Q. A force of 15 N is applied to move an object 4 m in the direction of the force. What is the work done?
Q. A force of 20 N is applied at an angle of 30 degrees to the lever arm of 1 m. What is the torque about the pivot?
Q. A force of 20 N is applied at an angle of 60 degrees to a lever arm of 2 m. What is the torque about the pivot?