engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Engineering Mechanics Equilibrium and Friction
A 50 - kg box rests on horizontal floor for which coefficient of friction is 0.3. If the box is subjected to a horizontal towing force of 400 N, what is its velocity after 5 sec from rest? (Take g = 10 m/s2)
1
40 m/s
2
30 m/s
3
27.5 m/s
4
25 m/s