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7. A constant force of 25 N is applied as shown to a block which undergoes a displacement of 7.5 m to the right along a frictionless surface while the force acts. What is the work done by the force? 30 A) zero joules B) +94 J C) -94 J D) +160 J E) -160 J

7. A constant force of 25 N is applied as shown to a block which undergoes a displacement of 7.5 m to the right along a frictionless surface while the force acts. What is the work done by the force? 30 A) zero joules B) +94 J C) -94 J D) +160 J E) -160 J

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7. A constant force of 25 N is applied as shown to a block which undergoes a displacement of 7.5 m to the right along a frictionless surface while the force acts. What is the work done by the force? 307 A) zero joules B) +94 J C) -94 J D) +160 J E) -160 J Ans: C
Transcribed Image Text:7. A constant force of 25 N is applied as shown to a block which undergoes a displacement of 7.5 m to the right along a frictionless surface while the force acts. What is the work done by the force? 307 A) zero joules B) +94 J C) -94 J D) +160 J E) -160 J Ans: C
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