Questions

There are two conditions that must be met for an object to be in equilibrium. The first condition is that the net force on the object must be zero for the object to be in equilibrium. If net force is zero, then net force along any direction is zero.

Kinetic energy (KE) is the energy of motion, and kinetic energy is not always conserved in a collision

Energy and momentum are always conserved.

In the dictionary, we get Friday before Thursday. Since, in the dictionary all the words are in alphabetical order, and according to it F comes first than T.

The phrase ‘almost terrible as’ needs to be replaced with ‘almost as terrible as’ to make the sentence correct. This is because, ‘As...As’ is the pair of words that needs to be used together. Thus, the correct sentence would be, ‘For young Donald, peace in Vietnam was almost as terrible as war’.

'Are’ needs to be replaced with ‘is’ to make the sentence contextually correct. This is because, ‘in subject verb agreement, we match the subject with the nearest verb or the verb with the nearest or the first subject. But the verb should be matched with the main subject of the sentence’. Here the main subject is ‘Ignorant’ which is singular and so is followed by a singular verb.

‘Cured’ is followed by the preposition ‘of’. Thus, the correct sentence would be, ‘He will be cured of his fever’.