Question

Calculate the acceleration of a 2 kg block across a table if you push with a force of 20 N and the frictional force is 4 N.

Answer 1

Answer:

answer in image given upside

Answer 2

Answer: Acceleration of the block will be 8 m/s²

Explanation:

Frictional force acts when two bodies are in contact with each other and there is tendency of relative slipping.

Friction opposes relative slipping.

When force is applied on a block kept on the table, the block tends to move due to the applied force.

There is tendency of slipping between the block and table. Hence, the frictional force acts on the block in direction opposite to the applied force to resist the slipping.

Let the acceleration of block be a m/s²

Net force = ma  = Applied force - frictional force

2a = 20 - 4

2a  = 16

a = 8

#SPJ2