Ocean basins form as a result of a. equatorial precession. b. weathering and erosion. c. the movement of tectonic plates. d. the movement of deep ocean currents.
Friction is the force that act and opposes all motion of moving objects
Answer from: Quest
If there was no gravity then their would be no downword force on the football to have it return the the grownd, and if there was no friction (mainly air friction) then there would be no opposing force the stop the ball from moving through the air allowing the ball to travle ∞.
Another question on Physics
Physics, 21.06.2019 17:10
Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t