The force that pulls falling objects toward Earth is called

a. gravity.

b. free fall.

c. acceleration.

d. air resistance.

The apparent backward movement of a planet is called A. eccentricity. B. heliocentric motion. C. Kepler's first law of motion. D. retrograde motion.

What happens to gravity when someone jumps up?

Which would hit the ground first if dropped from the same height in a vacuum-a feather or a metal bolt?

Displacement is the slope of a velocity v. time graph. A. True B. False

What is the mode of heat transfer from drying of wet hot plate in atmosphere

What is concave mirror

Two boxes are suspended from a rope over a pulley. each box has weight 50 n. what is the tension in the rope

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence

Study the scenario. As a spacecraft moves beyond Pluto, its thrusters are turned on for a short time to boost its speed to approximately 32,500 mi/h. The thrusters are then turned off.