Physics High School

The equation below is used to calculate the mechanical advantage of an ideal wheel and axle.


mechanical advantage =
wheel radius
__________
axle radius


A student compares two wheel-and-axle simple machines. Machine 1 has a wheel radius of 50 centimeters, and an axle radius of 10 centimeters. Machine 2 has a wheel radius of 100 centimeters, and an axle radius of 10 centimeters. What is true of these simple machines’ mechanical advantage?
A.
Machine 1’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 2.

B.
Machine 1’s mechanical advantage is greater, which means that this machine can move faster than Machine 2.

C.
Machine 2’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 1.

D.
Machine 2’s mechanical advantage is greater, which means that this machine can move faster than Machine 1.

Answers

Answer 1

Answer:

b

Explanation:

Answer 2

Machine 2’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 1.

Mechanical advantage

The term mechanical advantage is the ratio of the radius of wheel to the radius of the axle for a wheel and axle system.

The true statement about the two machines that were compared; 1 and 2 is that, machine 2’s mechanical advantage is greater, which means that this machine can do more work with less force than Machine 1.

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Related Questions

The Universal Space Agency wants to know the results of your Sim investigation. Write your report to the lead chemist, explaining why the staff can smell the chocolate bar. Use evidence from your investigation in your explanation.

Answers

Answer:

Condensation can also produce water droplets on the outside of soda cans or glasses of cold water. When warm air hits the cold surface, it reaches its dew point and condenses. This leaves droplets of water on the glass or can. When a pocket of air becomes full of water vapor, clouds form.

Explanation:

25. Suppose there is no unbalanced force acting on a moving object. How will
the object's motion continue?
A. The speed of the object will decrease.
B. The speed of the object will increase.
C. The speed of the object will remain the same.
D. The direction of the object's velocity will change.

Answers

Answer:

C

Explanation:

Grammar is probably one of the most important components of the sciences besides math.

no unbalanced forces means that there is no force left over that cause an acceleration. All the forces are balanced.

So the Speed will not decrease. Not A.

The speed will not increase. Not B

The direction will not be affected. Not D    

The answer is C

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