Which branch of physics deals with the study of force, energy, and motion?

A

acoustics

B. mechanics

C.

optics

D. geophysics

When a simple machine multiplies force, it decreases a. potential energy. b. distance moved. c. both d. neither?

Alien A lifts a 500-newton child from the floor to a height of 0.40 meters in 2 seconds

Ways the Magnitude of force can be Harmful?

A mechanic pushes a 2.10 â 103-kg car from rest to a speed of v, doing 4,710 j of work in the process. during this time, the car moves 30.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Mountain ranges and belts are built through the process called what

Which of the following is evidence used to support the Big Bang Theory? background radiation increasing distances between galaxies both of the above

Which of the following statements about noncovalent bonding interactions is NOT true? Van der Waals interactions, also known as dispersion forces, are the weakest of the attractive noncovalent bonding interactions.

Does a rising GDP benefit everyone

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 * 10-19 C. Answer in units of µC.

Which formula can be used to find the x-component of the resultant vector?