Advertisements
Advertisements
प्रश्न
Figure shows a cart. Complete the table shown below.
| Force on | Force by | Nature of the Force | Direction |
| Cart |
1 |
||
| Horse |
1 |
||
| Driver |
1 |
Advertisements
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 |
APPEARS IN
संबंधित प्रश्न
A body of mass m is placed on a table. The earth is pulling the body with a force mg. Taking this force to be the action what is the reaction?
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 ?
Is it true that the reaction of a gravitational force is always gravitational, of an electromagnetic force is always electromagnetic and so on?
List all the forces acting on the block B in figure.
List all the forces acting on (a) the pulley A, (b) the boy and (c) the block C in figure.
Two spherical bodies, each of mass 50 kg, are placed at a separation of 20 cm. Equal charges are placed on the bodies and it is found that the force of Coulomb repulsion equals the gravitational attraction in magnitude. Find the magnitude of the charge placed on either body.
A satellite is projected vertically upwards from an earth station. At what height above the earth's surface will the force on the satellite due to the earth be reduced to half its value at the earth station? (Radius of the earth is 6400 km.)
Find the ratio of the magnitude of the electric force to the gravitational force acting between two protons.
A box is pushed through 4.0 m across a floor offering 100 N resistance. How much work is done by the resisting force?
A block of mass 5.0 kg slides down an incline of inclination 30° and length 10 m. Find the work done by the force of gravity.
A force \[F = \alpha + bx\] acts on a particle in the x-direction, where a and b are constants. Find the work done by this force during a displacement from x = 0 to x = d.
In a children's park, there is a slide which has a total length of 10 m and a height of 8⋅0 m . A vertical ladder is provided to reach the top. A boy weighing 200 N climbs up the ladder to the top of the slide and slides down to the ground. The average friction offered by the slide is three tenth of his weight. Find (a) the work done by the ladder on the boy as he goes up; (b) the work done by the slide on the boy as he comes down. Neglect any work done by forces inside the body of the boy
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 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 cylinder of area 300 cm2 and length 10 cm made of material of specific gravity 0.8 is floated in water with its axis vertical. It is then pushed downward, so as to be just immersed. The work done by the agent who pushes the cylinder into the water is ______ J.
Force acting on a particle is (2`hat"i"` + 3 `hat"j"`) N. Work done by this force is zero, when a particle is moved on the line 3y + kx = 5. Here value of k is ______.
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:
