Question 2 :
A body of mass 5 kg is moving in a circle of radius 1 m with an angular velocity of 2 <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e9801394e70da2c08cb3d9d"> . The centripetal force, is
Question 3 :
A body of mass <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e97fed8cf5ae23387f28f3e"> moves in a circular path with uniform angular velocity. The motion of the body has constant
Question 4 :
In an atom for the electron to revolve around the nucleus, the necessary centripetal force is obtained from the following force exerted by the nucleus on the electron
Question 5 :
An electric fan has blades of length 30 cm measured from the axis of rotation. If the fan is rotating at 120 rpm, the acceleration of a point on the tip of the blade is
Question 7 :
A body of mass 0.4 kg is whirled in a vertical circle making 2rev/s. If the radius of the circle is 2m, then tension in the string when the body is at the top of the circle is
Question 8 :
The time period of the second’s hand of a watch is
Question 9 :
At the top of the trajectory of a projectile, the direction of its velocity and acceleration are
Question 10 :
In case of uniform circular motion which of the following physical quantity do not remain constant
Question 11 :
Which one of the following statements is not correct in a uniform circular motion
Question 12 :
If a body is projected with an angle <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5e97fec8cf5ae23387f28f0c"> to the horizontal then
Question 13 :
A body is tied to one end of the string and whirled in a vertical circle, the physical quantity which remains constant is
Question 14 :
At the top of the trajectory of a projectile, the direction of its velocity and acceleration are
Question 15 :
A body executing uniform circular motion has at any instant its velocity vector and acceleration vector