What force must man exert on rope to kee...

What force must man exert on rope to keep platform in equilibrium : (Take `g=10m//s^(2)`)

100N

200N

300N

500N

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEWTONS LAWS OF MOTION
PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|17 Videos
NEWTONS LAWS OF MOTION
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problem|81 Videos
NEWTONS LAWS OF MOTION
PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs|23 Videos
LINEAR MOMENTUM & ITS CONSERVATION
PHYSICS GALAXY - ASHISH ARORA|Exercise exercise 1.3|3 Videos
RIGID BODIES AND ROTATIONAL MOTION
PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical|63 Videos

Similar Questions

Explore conceptually related problems

A mass of 6 kg is suspended by a rope of length 2 m from the ceilling A force of 50 N in the horizontal direction is applied at the mid - point P of the rope as shown . What is the angle the rope makes with the vertical in equilibrium ? (Take = 10 ms^(-2) ) . Neglect mass of the rope .

A mass of 20 kg is suspended by a rope of length 2 m from a ceiling. A force of 173.2 N in the horizontal direction is applied at the midpoint of the rope as shown in Fig. What is the angle the rope makes with the horizontal in equilibrium ? Take g = 10 ms^(-2) . Neglect mass of the rope.

A block fof mass 5kg is suspended by a massless rope of length 2 m from the ceilling. A force of 50 N is applied in the horizontal direction at the midpoint P of the rope, as shown in the figure. The angle made by the rope with the vertical in equilibrium is (Take g=10ms^(-2)m .

A solid block of mass m = 1 kg is reasting on a horizontal platform as shown in figure. The z direction is vertically up. Coefficient of friction between the block and the paltform is mu = 0.2 . The platform is moved with a time dependent velocity given vec(V) = (2that(i) + that(j) + 3hatk) m//s . Then the magnitude of the net force exerted by the block on the platform is : (Take g = 10 m//s^(2) )

A 60kg painter on a 15 kg platform. A rope attached to the platform and passing over an overhead pulley allows the painter to raise himself along with the platform. What force must he exert on the rope so as to attain an upward speed of 1 m//s in 1s ?

A horizontal platform vibrate up and down with a simple harmonic motion of amplitude 20 c.m. At what frequency will an object kept on the platform remain just in contact with the platform ? Take g = 9.81 m//s^(2) .

For the uniform 5 kg beam shown in figure-2.41(a), how large is the tension in the supporting cable and what are the components of the force exerted by the hinge on the beam ? Take g = 10 m//s^(2)

A man with mass 85 kg stands on a platform with mass 25 kg. He pulls on the free end of a rope that runs over a pulley on the ceiling and has its other end fastened to the platform. The mass of the rope and the mass of the pulley can be neglected, and the pulley is frictionless. With what force does he have to pull so that he and the platform have an upward acceleration of 2.2m/s^(2) . (Take g= 10m/s^(2) )

A horizontal platform with an angular placed on it is executing S.H.M. in the vertical direction .The amplitude of oscillation is 4.0 xx 10^(-3)m What must be the loast period of there oscillation so that the object is not setached from the plateform ? (Taking g = 10m//s^(2) )

PHYSICS GALAXY - ASHISH ARORA-NEWTONS LAWS OF MOTION-Numerical MCQs

With what minimum acceleration mass M must be moved on frictionless su...
Text Solution
|
The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and be...
Text Solution
|
Find the friction force between the blocks in the figure-2.173:
Text Solution
|
A pulley is attached to one arm of a balance and a string passed aroun...
Text Solution
|
Blocks A and B have masses of 2 kg and 3 kg. respectively. The ground ...
Text Solution
|
Two blocks of masses m(1) and m(2) are placed in contact with each oth...
Text Solution
|
A body of weight w1 is suspended from the ceiling of a room through a...
Text Solution
|
A horizontal uniform rope of length L, resting on a frictionless horiz...
Text Solution
|
A block of mass m slides down an inclined right angled trough .If the ...
Text Solution
|
A ball is held at rest in position A by two light cords. The horizonta...
Text Solution
|
A boy standing on a weighing machine notices his wight as 400 N. When ...
Text Solution
|
Two mass A and B of 5 kg and 6 kg are connected by a string passing ov...
Text Solution
|
A heavy body of mass 25kg is to be dragged along a horizontal plane (...
Text Solution
|
A heavy particle of mass 1kg suspended from a massless string attached...
Text Solution
|
The human body can safely stand an acceleration 9 times that due to gr...
Text Solution
|
A 1 kg block is being pushed against a wall by a force F=75N as shown ...
Text Solution
|
A block of mass 10 kg is suspended through two light spring balances a...
Text Solution
|
Three rigit rods are joined to form an equilaterla triangle ABC of sid...
Text Solution
|
A rope of length L has its mass per unit langth lambda varies accordin...
Text Solution
|
What force must man exert on rope to keep platform in equilibrium : (T...
Text Solution
|