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  6. An astronaut applies a force of 500 N to

Question :   6. An astronaut applies a force of 500 N to : 2102099

 

6. An astronaut applies a force of 500 N to an asteroid, and it accelerates at 7.00 m/s2. What is the asteroid's mass?

A. 71 kg

B. 135 kg

C. 441 kg

D. 3 500 kg

7. Two ropes are attached to a 40-kg object. The first rope applies a force of 25 N and the second, 40 N. If the two ropes are perpendicular to each other, what is the resultant acceleration of the object?

A. 1.2 m/s2

B. 3.0 m/s2

C. 25 m/s2

D. 47 m/s2

8. Two forces act on a 6.00-kg object. One of the forces is 10.0 N. If the object accelerates at 2.00 m/s2, what is the greatest possible magnitude of the other force?

A. 1.0 N

B. 2.0 N

C. 22.0 N

D. 34.0 N

9. The acceleration due to gravity on the Moon's surface is one-sixth that on Earth. An astronaut's life support backpack weighs 300 lb on Earth. What does it weigh on the Moon?

A. 1 800 lb

B. 300 lb

C. 135 lb

D. 50 lb

10. The acceleration due to gravity on the Moon's surface is one-sixth that on Earth. What net force would be required to accelerate a 20-kg object at 6.0 m/s2 on the moon?

A. 1.3 N

B. 20 N

C. 33 N

D. 120 N

 

Solution
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Physics 1 Year Ago 88 Views
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