Which wheel and axle would allow a load of rocks to be dragged with less force?

Two wheel and axles

A. Wheel and axle A.

B. Wheel and axle B.

C. Both devices would require the same amount of force.

D. Not enough information

Check all that apply. a) The work done by a nonconservative force depends on the path taken. b) A nonconservative force permits a two-way conversion between kinetic and potential energies.

If the frequency of the waves produced by a vibrating object increases, how does the wavelength of the waves produced change? A) It stays the same B) It decreases C) It vibrates D) It increases

Does a more efficient car have a larger or smaller LPK number? Explain how you know ...

A man pulls on his dogs leash to keep him from running after the bicycle. Which term best describes this example?

An electric heater has a Nichrome heating element with a resistance of 9 Ω at 20oC. When 112 V are applied, the electric current heats the Nichrome wire to 1090oC.

What is the product of 3.15 m and 2.006 m with the correct number of significant figures?

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.

A mechanic pushes a 3.00 ✕ 103-kg car from rest to a speed of v, doing 4,680 j of work in the process. during this time, the car moves 26.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Explain how latitude determines wind patterns

What is the difference between contact forces and forces that act through a force field?