Question
Question: The block of mass m is placed on a rough horizontal floor and it is pulled by an ideal string by a c...
The block of mass m is placed on a rough horizontal floor and it is pulled by an ideal string by a constant force F as shown. As the block moves towards right on the floor, then the frictional force on block –
A
Remains constant
B
Increases
C
Decreases
D
Can not be calculated
Answer
Decreases
Explanation
Solution
As the block moves towards right normal reaction on it decreases therefore frictional force on it decreases.