Question
Question: An iron block of sides 50 cm × 8 cm ×15 cm has to be pushed along the floor. The force required will...
An iron block of sides 50 cm × 8 cm ×15 cm has to be pushed along the floor. The force required will be minimum when the surface in contact with ground is :
A
8 cm × 15 cm surface
B
50 cm × 15 cm surface
C
8 cm × 50 cm surface
D
Force is same for all surfaces
Answer
Force is same for all surfaces
Explanation
Solution
Force will be same for all the surfaces