Home
Class 14
PHYSICS
An object of mass 0.75 kg is hanging fro...

An object of mass 0.75 kg is hanging from a string attached to roof.What will be the force applies by string on the object?

A

8.45 N

B

7.35 N

C

6,.85 N

D

9.8 N

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A heavy particle of mass 0.50 kg is hanging from a string fixed with the roof. Find the force exerted by the string on the particle. Take g=9.8 m/s^2 .

A heavy particle of mass 1kg suspended from a massless string attached to a roof. A horizontal force F is applied to the particle such that in the equilibrium position the string makes and angle 30^(@) with the vertical. The magnitude of the force F equals .

A block of mass 2 kg is hanging from a light, smooth pulley through a light string. The kinetic energy of block increased to 16 J in 2 s by applying a constant force F on one end of upper string. Then

A block of bras of mass 0.5 kg and density 8xx10^(3)kg//m^(3) is suspended from a string. What will be the tension in the string if the block is completely immersed in water? (g=10ms^(-2))

A small object is suspended at rest from two strings as shown in fig. The magnitude of the force exerted by each string on the object is 10sqrt(2)N . Find the magnitude of the mass of the object.

An object of mass m is tied to a string of length l and a variable force F is applied on it which brings the string gradually at angle thit theta with the vertical. Find the work done by the force F .

In the following figure, the object of mass m is held at rest by a horizontal force as shown. The force exerted by the string on the block is -

A block of mass 10 kg is hanging over a smooth and light pulley through a light string and the other end of the string is pulled down by a constant force F. The kinetic energy of the block increases by 20 J in 1 s

An object of mass 5 kg is acted upon by a force that varies with position of the object as shown. If the object starts out from rest at a point x=0. What is its speed at x=50 m.

A wooden block of mass 8kg is tied to a string attached to the bottom of a tank. The block is completely inside the water. Relative density of wood is 0.8. Taking g= 10m//s^(2) , What is the tension in the string ?