A simple pendulum is oscillating with angular displacement `90^(@)` For what angle with vertical the acceleration of bob direction horizontal?

A simple pendulum is oscillating with a maximum angular displacement of theta radian. If theta is very small, the ratio of maximum tension to the minimum tension in the string during oscillations is

A simple pendulum is oscillating in a trolley moving on a horizontal straight road with constant acceleration a. If direction of motion of trolley is taken as positive x direction and vertical upward direction as positive y direction then the mean position of pendulum makes an angle

A simple pendulum is oscillating without damping. When the displacement of the bob is less then maximum, its acceleration vector vec(a) is correctly shown in :

A simple pendulum is oscillating without damiping, When the displacement of the bob is less than maximum, its acceleration vector veca is correctly show in:

A simple pendulum is oscillating with an angular amplitude of 90^(@) as shown in the figure. The value of theta for which the resulting acceleration of the bob is directed (i) vertically downward, (ii) vertically upward and (iii) horizontally is

A simple pendulum having a bob of mass 100 g is oscillating with a maximum angular displacement of 3^(@) . The maximum restoring force acting on the bob is (take g = 10 ms^(-2) )

A simple pendulum is vibrating with an angular amplitude of 90^(@) as shown in figure. For what value of alpha (angle between string and vertical) during its motion, the total acceleration is directed horizontally ?

A simple pendulum is oscillating with an angular amplitude 60^@ . If mass of bob is 50 gram, then the tension in the string at mean position is (g = 10 ms^(-2))

A simple pendulum of length l has maximum angular displacement theta . Then maximum kinetic energy of a bob of mass m is