Year: 2024
Topic: Units and Measurements
Time :
1.
A force defined by F = αt
2
+ βt acts on a particle at a given time t. The factor which is dimensionless, if α and β are constants, is:
(1). \(\displaystyle \frac{\beta t}{\alpha}\)
(2). \(\displaystyle \frac{\alpha t}{\beta}\)
(3). \(\displaystyle \alpha \beta t\)
(4). \(\displaystyle \frac{\alpha \beta}{t}\)