Motion of System of Particles and Rigid Bodies — Physics STD 11 — Question

One degree of arc is equal to …….

A loaded spring vibrates with a period T. The spring is divided into four equal parts and the same load is suspended from one as these parts. The new time period is ………

The unit of coefficient of kinetic friction is/has –

The angle of inclined plane with the horizontal such that an object placed on it begins to slide is –

One Astronomical unit is

A particle executing simple harmonic motion of amplitude 31.4 cm/s. The frequency of its oscillation is ………

A boat having length 3m and breadth 2m is floating on a lake. It sinks by 1 cm when a man gets on it. The mass of the man is ………

While negotiating a circular level road a cyclist has to bend by an angle θ from vertical to stay in an equilibrium is-

Unit vector is –

Which one of the following is not a fundamental quantity?