Select the correct answer from each drop-down menu. a device that uses electricity and magnetism to create motion is called a . in a reverse process, a device that uses motion and magnesium can be used to create

1st drop down menu motor, magnet, or generator.

2nd drop down menu light, electromagnetism, or electricity.

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?