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A 20.0 N force is applied at an angle of 40.0 degrees above the horizontal to a 4.00 kg box. The box moves a horizontal distance of 4.00 meters. Friction is negligible. The work done by the 20.0 N force is

a. 61.3 J.

b. 46.3 J.

c. 50.1 J.

d. 75.0 J.

Respuesta :

picokyla

Answer:

The work done by the 20 N force is 61.3 J

Explanation:

20 N Force at horizon is: F=20 N*cos 40=15.32 N

The work done by 20 N at horizon is: W=F*S=15.32 N* 4 m=61.3 J

peachesjam17

Answer:

The work done by the 20 N force is 61.3 J

Explanation: