Laws of MotionHard
Question
Objects A and B each of mass m are connected by light inextensible cord. They are constrained to move on a frictionless ring in a vertical plane as shown in figure. The objects are released from rest at the positions shown. The tension in the cord just after release will be
Options
A.mg √2
B.
C.
D.
Solution
On block B :
mg − T cos 45o = ma ...(i)
on block A :
T cos 45o = ma ...(ii)
by equation (i) and (ii)
T =
Create a free account to view solution
View Solution FreeMore Laws of Motion Questions
Newton′s II law of motion connects :...A body of mass m1,exerts a force on another body of mass m2, If the magnitude of acceleration of m2 is a2, then the magn...Ten one rupees coins are put on top of each other on a table. Each coin has a mass ′m′ kg., then the force o...A force of magnitude F1 acts on a particle so as to accelerate it from rest to a velocity v. The force F1 is then replac...A parachutist after baling out falls 50 m without friction. When parachute opens, it decelerates at 2 m / s2. He reaches...