In which of the following states of matter do the molecules vibrate about their mean positions?

Which of the following properties of a steel bar can be measured in terms of the dimension of length only?

In a hydraulic press, a force of 40N is applied to the smaller priston of area 10cm². If the area of the larger piston is 200cm², calculate the force obtained

A body of volume 0.046m³ is immersed in a liquid of density 980kgm^-3 with \(\frac{3}{4}\) of its volume submerged. Calculate the upthrust on the body. [g = 10ms^-2]

Which of the following types of types of motion will be produced when a pair of equal and opposite non-collinear parallel forces acts on a body?