MCQOPTIONS
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MCQOPTIONS
| 1. |
An object of mass 10 kg moves at a constant speed of\[10\text{ }m{{s}^{-1}}\]. A constant force that acts for 4 sec on the object gives it a speed of \[2\text{ }m{{s}^{-1}}\] in opposite direction. The force acting on the object is |
| A. | -3N |
| B. | -30 N |
| C. | 3N |
| D. | 30 N |
| Answer» C. 3N | |