Vibrations

How much force is necessary to stretch a

spring 0.25 m when the spring constant

is 95 N/m? (use the formula F = Kx)

• 24 N

• 2.4 N

• 0.24 N

How much force is necessary to stretch a

spring 0.5 m when the spring constant

is 100 N/m?

• 5 N

• 50 N

• 500 N

A spring has a spring constant of 56 N/m.

How far will it stretch when a block

weighing 18 N is hung from its end? (Use x=F/K)

• 3.2 m

• 0.32 cm

• 0.32m

A spring has a spring constant of 100 N/m.

How far will it stretch when a block

weighing 20 N is hung from its end?

• 0.2 m

• 0.2 cm

• 20 m

What is the spring constant of a spring that

stretches 12 cm when an object weighing

24 N is hung from it? ( Use K = F/x)

• 2 N/m

• 20 N/m

• 200 N/m

What is the spring constant of a spring that

stretches 10 cm when an object weighing

50 N is hung from it?

• 5 N/m

• 50 N/m

• 500 N/m

A spring with a spring constant of 144 N/m

is compressed by a distance of 16.5 cm.

How much elastic potential energy is stored

in the spring? (Use PE = 1/2 K x²)

• 1.96 J

• 196 J

• 19.6 J

A spring with a spring constant of 100 N/m

is compressed by a distance of 10 cm.

How much elastic potential energy is stored

in the spring?

• 5 J

• 50 J

• 0.5 J

A spring has a spring constant of 256 N/m.

How far must it be stretched to give it an

elastic potential energy of 48 J? (Use PE = 1/2 K x²)

• 0.61 cm

• 0.61 m

• 6.1 m

A spring has a spring constant of 400 N/m.

How far must it be stretched to give it an

elastic potential energy of 50 J?

• 0.5 cm

• 0.5 m

• 5.0 m