Home
Class 11
PHYSICS
A small sphere is suspended by a string ...

A small sphere is suspended by a string from the ceiling of a car. If the car beings to move with a constant acceleration a, the inclination of the string to the vertical is

A

`tan-^1(a//g)in the direction of motion`

B

`tan-^1(a//g) oppsite to the direction motion`

C

`tan-^1(g//a)in the direction of motion`

D

`tan-^1(g//a) opposite to the direction of motion`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A seconds pendulum is suspended from the roof of a lift. If the lift is moving up with an acceleration 9.8 m/s2 its time period is

A paricle moves in a plane with a constant acceleration in a direction different from initial velocity. The path of the particle is

A simple pendulum is suspended from the roof of a lift. What will be its time period when the lift moves downwards with an acceleration a

Give -the magnitude and direction of the net force acting on a car moving with a constant velocity of 30 km/h on a rough road.

The initial velocity of a car is 3 m/sec. Its after 1 sec. velocity changed to 4 m/sec. If the car moves with uniform acceleration, what will be its velocity after 10 secs?

A simple pendulum of length I and mass m is suspended in a car that is travelling with a constant speed v around a circle of radius R. If the pendulum undergoes small oscillations about its equilibrium position, what will be its frequency•of oscillation ?

A non-uniform bar of weight W is suspended at rest by two strings of negligible weight as shown in Fig.7.39. The angles made by the strings with the vertical are 36.9^@ and 53.1^@ respectively. The bar is 2 m long. Calculate the distance d of the centre of gravity of the bar from its left end.

A motor car starting from rest travelled for 10 seconds with an uniform. acceleration of 5 m //s ^2 . What is the final velocity? Find the distance covered by the car.

A bob of mass 0.1 kg hung from the ceiling of a room by a string 2 m long is set into oscillation. The speed of the bob at its mean position is 1 m s^1. What is the trajectory of the bob if the string is cut when the bob is (a) at one of its extreme positions, (b) at its mean position.