Work, Energy and Power — Physics STD 10 — Question

The amplitude of forced vibrations is generally ___________ than the amplitude of applied external force.

Clockwise moments are considered to be _____________ .

The weight of half meter scale balanced at 5 cm mark when a weight of 10 gf is suspended at one of its ends is:

On what factors does the moment of a force about a given axis depend?

When a body remains in the same state of motion, under the influence of the several forces, the body is said to be in

Assertion (A): The position of the centre gravity of a body remains unchanged even when the body is deformed.
Reason (A): The centre of gravity of a freely suspended body always lies below the point of suspension

An eye specialist prescribes a number of +4.5 D to a person for his glasses. What is the focal length of lens in m ?

The specific latent heat of fusion of ice in SI system is :

The specific heat capacity of a substance:

The point at which the energy is supplied to a machine by applying the effort is called the: