A straight line with a negative slope on a velocity-time graph indicates which of the following? 1. constant velocity away from the reference
2. no movement
3. constant acceleration away from the reference
4. constant acceleration toward the reference

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

What determines the amount of inertia an object has