QUIZ I - WORK POWER ENERGY

TRUE OR FALSE: EACH TIME WORK IS MADE, ENERGY IS TRANSFERRED. THE WORK USED TO LIFT A ROCK UP A HILL CAN BE THE SAME ENERGY TO PUSH A LEVER TO LIFT ANOTHER OBJECT

• TRUE

• FALSE

TRUE OR FALSE: WHEN TWO OBJECTS STRIKE EACH OTHER, COLLISION HAPPENS

• TRUE

• FALSE

TRUE OR FALSE: PLAYING BILLIARDS IS AN EXAMPLE OF AN INELASTIC COLLISION

• TRUE

• FALSE

TRUE OR FALSE: WHEN TWO OR MORE OBJECTS STICK UPON IMPACT, IT IS CALLED PERFECTLY OR TOTALLY INELASTIC COLLISION

• TRUE

• FALSE

A NON-CONSERVATIVE FORCE IS A FORCE THAT ACTS ON AN OBJECT SUCH THAT THE WORK DONE BY THIS FORCE IN MOVING AN OBJECT FROM ONE POINT TO ANOTHER IS DEPENDENT ON THE PATH TAKEN

• TRUE

• FALSE

True or False: In a third-class lever, the Load applied is between the Fulcrum and Effort

• True

• False

At it's extreme position, a pendulum has it's maximum potential and minimum kinetic energy

• True

• False

The law of conservation of momentum states that energy cannot be created nor destroyed, it can only be transformed into other forms.

• True

• False

Force multiplied by delta time is called the Impulse

• True

• False

Machines are mechanical devices that complicate and degrade the work performance of human

• True

• False