4.1.1 quiz

A bungee rope has a spring constant of 5N/m. How much a person must weigh in Newton if we want it to extend (stretch) 10m?

• 20N

• 22cm

• 50N

• 50cm

• 21N

What force should be applied to compress a spring by 0.5m if its spring constant is k = 1500 N/m?

• 1880 N

• 750 N

• 1500 N

• 3000 N

What is potential energy?

• The energy an object has due to its position or condition.

• The energy an object has due to its motion.

• The energy an object has due to its chemical composition.

• The energy as object has due to its atomic structure.

Gravitational potential energy depends on which two factors?

• mass and height above the ground

• distance and speed

• speed and height above the ground

• mass and speed

You throw a ball into the air as shown in the diagram. At what point does the ball have the most potential energy?

• W

• X

• Y

• Z

Elastic potential energy is energy stored in an object, such as a spring, due to the object being stretched or compressed. In which position is it most likely that the spring has lost its elastic potential energy?

• W

• Y

• X

• Z

The energy of moving matter is called ____________.

• gravitational potential energy

• elastic potential energy

• kinetic energy

• potential energy

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

This type of potential energy can be found in rubber bands and springs.

• Chemical

• Elastic

• Gravitational

The diagram shows the same spring being stretched at different lengths using different masses. At which length does the spring have the MOST potential energy?

• length A

• length B

• length C

• length D