Home
Class 6
PHYSICS
A 1 m long uniform beam is being balanc...

A 1 m long uniform beam is being balanced as shown. Find the force X.

A

2N

B

3N

C

7N

D

10N

Text Solution

Verified by Experts

The correct Answer is:
D
As beam is balanced at 50 cm i.e., a mid of it , so

`X xx 10 + 3 xx 30 = 3 xx 30 + 2 xx 50`
` 10X + 90 = 90 + 100`
`:. X = 10 N`
Promotional Banner

Topper's Solved these Questions

  • NSO QUESTION PAPER 2017-18 SET A

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|1 Videos

  • NSO MODEL TEST PAPER 02

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|2 Videos

  • NSO QUESTION PAPER 2017-18 SET B

    SCIENCE OLYMPIAD FOUNDATION |Exercise ACHIEVERS SECTION|2 Videos

Similar Questions

Explore conceptually related problems

A small mass and a thin uniform rod each of mass 'm' are positioned along the same straight line as shown. Find the force of gravitational attraction exerted by the rod on the small mass.

A diving board 3.00 m long is supported at a point 1.00 m from the end and a diver weighing 500 N stands at the free end. The diving board is of uniform cross section and weighs 280 N . Find. The force at the support point

A diving board 3.00 m long is supported at a point 1.00 m from the end and a diver weighing 500 N stands at the free end. The diving board is of uniform cross section and weighs 280 N . Find. The force at the end that is held down.

Consider three long straight parallel wire as shown in figure. Find the force experienced by a 25 cm length of wire C .

A force F acting on an object varies which distance x as shown in the figure. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is

Two uniform solid of masses m_(1) and m_(2) and radii r_(1) and r_(2) respectively, are connected at the ends of a uniform rod of length l and mass m . Find the moment of inertia of the system about an axis perpendicular to the rod and passing through a point at a distance of a from the centre of mass of the rod as shown in figure.

The gravitational force of attraction between a uniform sphere of mass M and a uniform rod of length l and mass in as shown in figure is

Two masses m_(1) and m_(2) are attached to a spring balance S as shown in figure. m_(1) gt m_(2) then the reading of spring balance will be . .

A uniform sphere of weight W and radius 3 m is being held by a frictionless wall as shown in the figure. The tention in the string will be: