Work may be defined as

The length of a Second's pendulum, is

A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal linem apart. If central dip ism, the minimum tension in the cable, will be

The centre of gravity of a triangle is at the point where three

If the gravitational accelerational at any place is doubled, the weight of a body, will

u₁ and u₂ are the velocities of approach of two moving bodies in the same direction and their corresponding velocities of separation are v₁ and v₂. As per Newton's law of collision of elastic bodies, the coefficient of restitution (e) is given by

To attain the synchronous orbit, the launch of a satellite, is done from a place

A particle moves along a straight line such that distance x traversed in t seconds is given by x = t²(t + 1), the acceleration of the particle, will be

The forces which meet at one point and have their lines of action in different planes are called

If g₁ and g₂ are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by

The Law of Polygon of Forces states that

At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is

Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t² +The ratio of the accelerations after 5 sec and 3 sec will be

Which one of the following statements is true ?

The locus of the instantaneous centre of a moving rigid body, is

u₁ and u₂ are the velocities of approach of two moving bodies in the same direction and their corresponding velocities of separation are v₁ and v₂. As per Newton's law of collision of elastic bodies, the coefficient of restitution (e) is given by

Joule is the unit of

One Joule is equivalent to

One Newton is equivalent to

The tension in a cable supporting a lift

Effect of a force on a body depends upon its

The motion of a bicycle wheel is

Work may be defined as

The force polygon representing a set of forces in equilibrium is a

On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts

A load ofkg was lifted through a distance ofcm. by an effort ofkg which moved through a distance ofcm. The efficiency of the lifting machine is

Pick up the correct statement from the following. The kinetic energy of a body

The vertical reaction at the support ‘A’ of the structure shown in below figure, is

In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?