Nature of Physical World and Measurement — Physics STD 11 — Question

If the direction of the torque is inward the paper then the rotation is –

If speed of light (c), acceleration due to gravity (g) and pressure (P) are taken as fundamental units, the possible relation to gravitational constant (G) is ….

Rate of change of momentum of an object is equal to 

1 minute of arc is equal to …….

The point where the entire weight of the body acts is called as –

A free falling body breaks into three parts of unequal masses. The center of mass of the three parts taken together shifts horizontally towards –

Weight of a body is maximum at …..

The escape velocity of a body on the surface of the Earth is 11.2 km/s. If the mass of the Earth is increase to twice its present value and the radius of the earth becomes half, the escape velocity becomes = …… kms-1

The amplitude of a damped oscillation reduces to one third of its original value a0 in 20s. The amplitude of such oscillation after a period of 40s will be ……..

If the linear momentum and angular momentum are zero, then the object is said to be in –