Question 1

A force acting on an object can do what to an object?

Accepted Answer

Change its shape

Answer

Make it breakfast

Answer

Have no effect on it

Answer

Not allow the object to get married

Question 2

If a force acts on an elastic object stretching the object, what kind of energy is stored within the object?

Accepted Answer

Elastic potential energy

Answer

Gravitational potential energy

Answer

Tidal energy

Answer

Chemical energy

Question 3

Which of the following items can store elastic potential energy?

Accepted Answer

A rubber band

Answer

A USB pen drive

Answer

A paper clip

Answer

A pencil

Question 4

Which formula correctly states the relationship between force and extension?

Accepted Answer

F = k x e

Answer

F = k x 2e

Answer

F = e

Answer

F= 2k x e

Question 5

How is the extension of an elastic object related to the force applied?

Accepted Answer

Directly proportional

Answer

Dependent upon the material being extended

Answer

None of these

Answer

Inversely proportional

Question 6

What does k represent in the Hooke's law?

Accepted Answer

The spring constant

Answer

Krispy kreme

Answer

The extension of the object

Answer

The force on the object

Question 7

If a material has a spring constant of 10N/m and is extended by 1m, what force must have been applied to the object?

Accepted Answer

10N

Answer

50N

Answer

5N

Answer

20N

Question 8

What is the size of the extension of an object which has a spring constant of 30N/m when a force of 15N is applied?

Accepted Answer

0.5m

Answer

2m

Answer

10m

Answer

1m

Question 9

A slinky is stretched from being a length of 15cm to a length of 2m. One end of the slinky is affixed to a point whilst a child pulls on the other end with a force of 10N. What is the spring constant of the slinky?

Accepted Answer

5.4N / m

Answer

5.3N / m

Answer

20N / m

Answer

18.5N / m

Question 10

An spring is stretched to a point where, when released it does not return to its original length. What is this point called?

Accepted Answer

Limit of proportionality

Answer

Bohr's limit

Answer

Fracture limit

Answer

Torsion limit

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