Home
Class 11
PHYSICS
A block of mass 15 kg is held by a strin...

A block of mass 15 kg is held by a string on an inclined plane (angle `30^(@)`). The tension T in the string is `(g = 10 m//s^(2))`.

A

55 N

B

60 N

C

75 N

D

90 N

Text Solution

Verified by Experts

The correct Answer is:
C
`T = mg sin 30^(@) = 15 xx 10 xx (1)/(2) =75 N`
Promotional Banner

Similar Questions

Explore conceptually related problems

A block of mass 6 kg is kept in equilibrium with the help of strings as shown in figure. The tension in string PQ is (g = 10 m/s2)

A 'block' of mass 10 kg is suspended with string as shown in figure. Find tension in the string. (g=10m//s^(2))

A block of mass 30 kg is suspended by three string as shown in fig, Find the tension in each string.

A block X of mass 0.5 kg is held by a long massless string on a frictionless inclined plane of inclination 30^@ to the horizontal. The string is wound on a uniform solid cylindrical drum Y of mass 2kg and of radius 0.2 and of radius 0.2 m as shown in Fingure. The drum is given an initial angular velocity such that the block X starts moving up the plane. (i) Find the tension in the string during the motion. (ii) At a certain instant of time the magnitude of the angular velocity of Y s 10 rad s^(-1) calculate the distance travelled by X from that instant of time until it comes to rest

A uniform rod of mass 15 kg is held stationary with the help of a light string as shown in Fig. The tension in the string is

A block of mass 10 kg is suspended by three strings as shown in figure . Tension T_(2) is

A block of mass 10kg is pushed up on a smooth incline plane of inclination 30^(@) , so that it has acceleration 2m//s^(2) . The applied force is

A block of mass 15 kg is resting on a rough inclined plane as shown in figure ,The block is tied by a horizontal string which has a tension 50 N The coefficient of contact is

If coeffiecient of friction between the block of mass 2kg and table is 0.4 then out acceleration of the system and tension in the string. (g=10m//s^(2))