the forces which meets at a point and have their lines of action in different planes are called____________

choose the principle which is NOT used in the solution making of the problem related to friction

which of the following statements is/are true regarding the law of static friction

1. the force of friction is dependent on the area of contact between the two forces
2. the force of friction depends on the roughness of the surfaces
3. the ratio of limiting friction to normal reaction is constant

The value of static frictional force is-

If there is no change in pressure at any point of the system with time, then the system is said to be in:

When the position of the body is either in rest or in uniform velocity, then the body is said to be in the

The coefficient of friction depends on which of the following factors?

When number of forces act simultaneously on a particle, then the resultant of these forces will have the same effect as produced by the all the forces. This is known as the principle of

A particle acted upon by two equal forces is in equilibrium Then, the angle between the two forces is equal to

Two blocks with masses M and m are in contact with each other and are resting on a horizontal frictionless floor. When horizontal force is applied to the heavier, the blocks accelerate to the right. The force between the two blocks is

When a body is subjected to two forces, the body will be equilibrium if the two forces are:

In comparison to rolling friction, the value of sliding friction is

A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act

If the sum of all the forces acting on a body is zero, it may be concluded that the body

Define free-body diagram.

Which of the following is difficult without friction?

Which of the following states that, "If a body is in equilibrium, under the action of three concurrent forces, each force is proportional to the sine of the angle between the other two forces"?

According to the principle of moments

The angle between the resultant reaction and normal to the plane on which the motion of body is impending is known as-

According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then

If the line of action of all the forces are along the same line, then the forces are said to be

Which of the following theorem states that the algebraic sum of the moments of a system of coplanar forces about a moment centre in their plane is equal to the moment of their resultant force about the same moment centre?

Action and reaction act on

The minimum angle made by an inclined plane with the horizontal such that an object placed on the inclined surface just begins to slide is called

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

Limiting force of friction is the

Coulomb friction is the friction between ?

If 3 coplanar forces are represented in magnitude and direction by the 3 sides of a triangle taken in order, then the algebraic sum of the moments of the forces about any point is equal to