Note: No. 10 Question = A boy finding it difficult to push a box on the floor.
S A L A M A T P O

Answer:
Frictional force
Explanation:
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P.S.
1 Frictional
2 Electrical
3 Nuclear
4 gravitational
5 gravitational
6 Frictional
7 Gravitational
8 Frictional
9 Electrical Force