Hooke's Law and Spring Constant Quiz

What is the primary focus of the video tutorial?

• Introduction to Quantum Physics

• Calculations with Hooke's Law

• Understanding Electromagnetism

• Basics of Thermodynamics

According to Hooke's Law, what does the negative sign in the formula indicate?

• The force is negligible

• The force is in the opposite direction

• The force is constant

• The force is in the same direction

In Hooke's Law, what does 'k' represent?

• The spring constant

• The gravitational constant

• The change in length

• The force applied

If a spring has a spring constant of 15.6 N/m, how much force is needed to extend it by 1 meter?

• 15.6 N

• 1.56 N

• 0.156 N

• 156 N

What is the spring constant if a force of 0.75 N changes the length of a spring by 8 cm?

• 7.5 N/m

• 9.4 N/m

• 94 N/m

• 0.94 N/m

How much force is required to change the length of a spring by 90 cm if the spring constant is 9.4 N/m?

• 8.5 N

• 9.4 N

• 0.85 N

• 94 N

Using Newton's second law, how do you calculate the mass of an object if the force of gravity is known?

• Divide the force by the spring constant

• Multiply the force by the acceleration due to gravity

• Divide the force by the acceleration due to gravity

• Multiply the force by the spring constant

What is the weight of an object if a spring with a constant of 23 N/m is extended by 7 cm?

• 161 N

• 0.161 N

• 16.1 N

• 1.61 N

How do you convert a force of 1.61 N to mass using the acceleration due to gravity?

• Subtract 9.81 m/s²

• Add 9.81 m/s²

• Divide by 9.81 m/s²

• Multiply by 9.81 m/s²

What is the mass of an object that applies a force of 8.5 N?

• 0.0866 kg

• 0.866 kg

• 86.6 kg

• 8.66 kg