Read each of the statement below carefully and state, with reasons, if it is true or false.
(a) The modulus of elasticity of rubber is greater than that of steel.
(b) the stretching of a coil is determined by its shear modulus.

Read each statement below carefully and state with reasons, if it is true or false. Three vectors not lying in a plane can never add up to give a null vector.

Read each statement below carefully and state, with reasons, if it is true or false : The net acceleration of a particle in circular motion is always along the radius of the circle towards the centre.

Read each statement below carefully, and state, with reasons, if it is true or false : A wheel moving down a perfectly frictionless inclined plane will undergo slipping (not rolling) motion

Read each statement below carefully and state, with reasons, if it is true or false : The acceleration vector of a particle in uniform circular motion averaged over one cycle is a null vector.

Read each statement below carefully and state with reason and examples, if it is true or false. A cslar quantity is one that (a) is conserved in a proces (b) can never take negative values (c ) must be dimensionless (d) does not vary from one point to another in space (e ) has the same value for observers with differnt orientations of axes.

State whether each of the following statements is true or false : Every positive integer is greater than 0.

Assertion: Rubber is more elastic than glass Reason: The rubber has higher modulus of elasticity than glass

Consider the following statements: (i) Young's modulus is numerically equal to the stress which will double the length of a wire. (ii) Viscosity of gases is greater than that of liquids. (iii) The surface tension of a liquid decreases due to the presence of insoluble contamination. The number of above statements that are true is

State Whether Statement is True or False : It is possible to have a triangle in which each angle is greater than 60° .