Hookes Law

_________ is the unit of Spring Constant

• N

• N/m

• m

Who discovered Hooke's law?

• Robert Hooke

• Charlie

• Newton

According to Hooke's law; Force is equal to -

• Spring Constant × Extension

• Spring Constant ÷ Extension

• Spring Constant + Extension

If the original length of a spring is 20m and its extended length is 30m. What is the extension?

• 20m

• 12m

• 75m

• 45m

• 10m

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

• 20N

• 22cm

• 50N

• 50cm

• 21N

What is the spring constant of a bungee rope in N/m if a person weighs 100 N if we want it to extend (stretch) 20m?

• 5N/m

• 5N/cm

• 5N

• 10N

• 10N/m

If a bungee rope has a spring constant of 10 N/m. How far will it extend (stretch) if a person who weighs 300 N is placed on it?

• 21m

• 30m

• 31cm

• 21miles

• None of the above

Tags

NGSS.HS-PS2-1

___________ is the unit of force

• Km

• cm

• m

• N/cm

• N

Tags

NGSS.HS-PS2-1

________________ force acts on an object when it falls.

• Gravity

• Electromagnet

• Upthrust

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

__________________ is the force acting on two rubbing hands

• Gravity

• Upthrust

• Friction