Question

A student pushes a 10 kg box and lets it slide across the floor. The magnitude of the frictional force acting on the box is 40 N.

Find the acceleration of the box.

Answer 1

Answer:

Correct option is

A

acceleration to the left.

Here friction force against the box motion is f=μmg=0.20×10×10=20N

As the friction force is greater than the 10 N force, the box will accelerate to left. The velocity or speed will decrease due to the friction