1, – 2, 1
1, 2, – 2
1, 1, –2
2, 2, 1
Correct answer is B
Work (w) = Force (f) × Distance (d)
Note: f = ma = mass × acceleration
= mass ×acceleration ×distance
= kg ×ms–2 × m
= kg m2 5–2
(Note: the dimension of kg = M, M = L & S = T)
Work = ML2 T–2 = Ma Lb Tc
i.e. Ma Lb Tc = as 1, b = 2, c = –2
The value of a, band c = 1, 2, –2
The following statements about a loudspeaker are correct except? ...
Which of the following statements about the mass and the weight of a body is not correct? its ...
A convex mirror is used as a driving mirror because i. its image is erect. ii. it has a large fi...
A gas at pressure PNm−2 and temperature 27°C is heated to 77°C at constant volume. Th...
What type of reaction is represented by the following scheme? 21X + 21Y + \( ^...
When the brakes in a car are applied, the frictional force force on the tyres is ...
The resultant of two forces P and Q is least when the angle between them is ...