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Figure Shows a Cart. Complete the Table Shown Below.

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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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अध्याय 4: The Forces - Short Answers [पृष्ठ ६१]

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एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
अध्याय 4 The Forces
Short Answers | Q 10 | पृष्ठ ६१

संबंधित प्रश्न

A boy is sitting on a chair placed on the floor of a room. Write as many action-reaction pairs of forces as you can.


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


When Neils Bohr shook hand with Werner Heisenberg, what kind of force they exerted ?


Let E, G and N represent the magnitudes of electromagnetic gravitational and nuclear forces between two electrons at a given separation. Then


The sum of all electromagnetic forces between different particles of a system of charged particles is zero 


Two charged particles placed at a separation of 20 cm exert 20 N of Coulomb force on each other. What will be the force of the separation is increased to 25 cm?


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 particle of mass m moves on a straight line with its velocity varying with the distance travelled, according to the equation  \[\nu = a\sqrt{x}\] , where a is a constant. Find the total work done by all the forces during a displacement from \[x = 0 \text{ to } x - d\] .

 

Water falling from a 50-m high fall is to be used for generating electric energy. If \[1 \cdot 8 \times {10}^5 \text{ kg } \] of water falls per hour and half the gravitational potential energy can be converted into electrical energy, how many 100 W lamps can be lit with the generated energy?


A uniform chain of mass m and length l overhangs a table with its two third part on the table. Find the work to be done by a person to put the hanging part back on the table.

 

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 block of mass 1 kg is placed at point A of a rough track shown in figure following. If slightly pushed towards right, it stops at point B of the track. Calculate the work done by the frictional force on the block during its transit from A to B.


A lawn roller is pulled along a horizontal surface through a distance of 20 m by a rope with a force of 200 N. If the rope makes an angle of 60° with the vertical while pulling, the amount of work done by the pulling force is:


A body of mass 0.5 kg travels in a straight line with velocity v = a x3/2 where a = 5 m–1/2s–1. The work done by the net force during its displacement from x = 0 to x = 2 m is ______.


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


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.

If a force varies linearly with displacement, the area under the F-s graph forms:


The work done by a variable force is calculated using the formula:


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