Physics
Grade-6
Easy
Question
An object is under the action of three pulling forces, one (20 N from its front side and the rest (34 N and 3 N) from its back side. The net force on it is ___ N.
Hint:
The net force of a rope that is exerted with forces of 37 N and 20 N from opposite sides, will be 17 N.
The correct answer is: 27
- When the net forces are from opposite sides the forces can be subtracted to derive the net force.
- The given forces are 2o N from one side and 37 N ( 34+ 3) from its opposite side.
- The net force for these forces will be 17 N ( 37- 20= 17).
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