Question

This diagram shows a 40-kg object being pulled in one direction while friction acts on it in the opposite direction.
Friction
20 N
Pull
140 N
40
ka
What is the net force on the object?
OA 120 N
O B. 160 N
OC. 140 N
OD. 20N

Answer 1

Answer:

A

Explanation:

Answer 2

The net force is 120N that moves the body.

What is net force?

The force that opposes the applied force and always act opposite to it, is called net force. It is directly proportional to reaction.

Given data:

Applied force F=140N

frictional force f=20N

Net force $F_{N}$=?

By the formula;

$F_{N}=F-f=140-20=120N$

Hence, The net force is 120N that moves the body.

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