Please help me with these questions for my lab-report. PREETY PLEASE. URGENT HELP. ASAP.

THE QUESTIONS UNDER DISCUSSION.
PS. THE TOPIC IS SIMPLE MACHINES
the questions under discussion i need help with.

What are the three ways that an object can accelerate

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is