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Figure Shows a Cart. Complete the Table Shown Below. - Physics

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प्रश्न

Figure shows a cart. Complete the table shown below.

Force on Force by Nature of the Force Direction
Cart

1
2
3
:

   
Horse

1
2
3
:

   
Driver

1
2
3
:

   
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उत्तर

Force on Force by Naure of the force Direction
Cart


 
1.Horse
2. Road
3. Earth
1. Action force
2. Electromagnetic force exerts frictional force.
3. Gravitational Force
1. Forward
2. Forward
3. Downward
Horse


 
1. Cart
2. Road
3. Road
3. Earth
1. Reaction Force
2. Electromagnetic force exerts frictional force
3. Reaction force
4. Gravitational force
1. Backward
2. Forward
3. Forward
4. Downward
Driver


 
1. Cart
2. Rope
3. Earth

1. Electromagnetic force
2. Tension exerts electromagnetic force
3. Gravitational force
1. Backward
2. Forward
3. Downward
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पाठ 4: The Forces - Short Answers [पृष्ठ ६१]

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एचसी वर्मा Concepts of Physics Vol. 1 [English] Class 11 and 12
पाठ 4 The Forces
Short Answers | Q 10 | पृष्ठ ६१

संबंधित प्रश्‍न

State if the following statement is true or false. Give a reason for your answer.

Work done in the motion of a body over a closed loop is zero for every force in nature.


A lawyer alleges in court that the police had forced his client to issue a statement of confession. What kind of force is this ?


A proton exerts a force on a proton which is

(a) gravitational
(b) electromagnetic
(c) nuclear
(d) weak


Mark the correct statements :

(a) The nuclear force between two protons is always greater than the electromagnetic force between them.
(b) The electromagnetic force between two protons is always greater than the gravitational force between them.
(c) The gravitational force between two protons may be greater than the nuclear force between them.
(d) Electromagnetic force between two protons may be greater than the nuclear force acting between them.


Find the ratio of the magnitude of the electric force to the gravitational force acting between two protons.


A small block of mass m is kept on a rough inclined surface of inclination θ fixed in an elevator. the elevator goes up with a uniform velocity v and the block does not slide on the wedge. The work done by the force of friction on the block in time t will be 


A block of mass m slides down a smooth vertical circular track. During the motion, the block is in  


A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the plane. The motion of the particle takes place in a plane. It follows that

(a) its velocity is constant
(b) its acceleration is constant
(c) its kinetic energy is constant
(d) it moves in a circular path.


No work is done by a force on an object if

(a) the force is always perpendicular to its velocity
(b) the force is always perpendicular to its acceleration
(c) the object is stationary but the point of application of the force moves on the object
(d) the object moves in such a way that the point of application of the force remains fixed.


A constant force of 2⋅5 N accelerates a stationary particle of mass 15 g through a displacement of 2⋅5 m. Find the work done and the average power delivered.

 

A man moves on a straight horizontal road with a block of mass 2 kg in his hand. If he covers a distance of 40 m with an acceleration of 0⋅5 m/s2, find the work done by the man on the block during the motion.


A block of weight 100 N is slowly moved up a smooth incline of inclination 37° by a person. Calculate the work done by the person in moving the block through a distance of 2 m, if the driving force is (a) parallel to the incline and (b) in the horizontal direction.

 

Find the average force needed to accelerate a car weighing 500 kg from rest to 72 km/h through a distance of 25 m.


A uniform chain of length L and mass M overhangs a horizontal table with its two third part on the table. The friction coefficient between the table and the chain is μ . Find the work done by friction during the period the chain slips off the table.

 

A bicyclist comes to a skidding stop in 10 m. During this process, the force on the bicycle due to the road is 200 N and is directly opposed to the motion. The work done by the cycle on the road is ______.


A body is being raised to a height h from the surface of earth. What is the sign of work done by gravitational force?


A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 30° by a force of 10 N parallel to the inclined surface (Figure). The coefficient of friction between block and the incline is 0.1. If the block is pushed up by 10 m along the incline, calulate

  1. work done against gravity
  2. work done against force of friction
  3. increase in potential energy
  4. increase in kinetic energy
  5. work done by applied force.

A block of mass m is taken from A to B slowly under the action of a constant force R Work done by this force is ______.


A body is displaced from (0, 0) to (1 m, 1 m) along the path x = y by a force F = (x2`hat"J"` + y`hat"i"`)N. The work done by this force will be:


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