Questions

Rate of change of impulse equals the force . In case of freely falling body the only force is the weight.

The phrase ‘between the cup and lip’ needs to be replaced with ‘between the cup and the lip’. It means a situation where things did not happen at the last minute the way they were expected to due to unforeseen reasons. Thus, the correct formation would be, ‘There is many a slip between the cup and the lip’.

The Infantry Regiment is also known as the Mechanised Infantry Regiment of the Indian Army. Though its aggregate size, it is closer to that or a full mechanised division with 26 mechanised battalions.

Indian Army Corps of Electronics and Mechanical Engineers are an arms and service branch of Indian Army having varied responsibilities of design, development, trial, inspection and refit of weapon systems and equipment. They also provide technical advice to units on systems and recovery operations in peace and war.

‘One of the assistant’ needs to be replaced with ‘one of the assistants’ to make the sentence grammatically and contextually correct. This is because, ‘One of’ is always followed by a plural noun.