Hooks Law Hossen Class

Hooks spring constant K depends on

• Cold weather

• Types of material

• Hot weather

• Changes during summer

A physicist hangs a 150-g object on a spring whose spring constant is 13.22 Newtons/meter. How far does the spring stretch?

• 11.3

• 1.13

• .0013

• 0.113

How much force is needed to pull a spring with a spring constant of 16 N/m a distance of 30 cm?

• 4.8

• 480

• .533

A spring is pulled to 25 cm and held in place with a force of 325 N. What is the spring constant of the spring?

• 1300

• 130

• 13000

If a spring has a spring constant of 12 N/m and it is stretched 4.5 cm, what is the force of the spring?

• 0.54

• 5.4

• 54

What is the magnitude of the force required to stretch a 20 cm-long spring, with a spring constant of 100 N/m, to a length of 21 cm?

• 1

• 1000

• 2100

• 2100

What is the spring constant of a spring that needs a force of 3 N to be compressed from 40 cm to 35 cm?

• 60

• 70

• 6

• 7

A spring with a spring constant of 376 N/m has a mass hung on it so that it stretches 10 cm. Calculate how much mass the spring is supporting.

• 3.8

• 4.8

• 2.8

• 9.8

Will a weak spring have a big or small constant?

• Big

• small

When a student hangs a 22.0-g object on a spring, it stretches 7.3 cm down from its equilibrium position. What is the spring constant of the spring?

• 2.95

• 9.95

• 4.95

• 6.95