Use the variational principle approach to find the field equations of the theory (considered by a. s. eddington) l =(-g)trabedrabed abcd

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2