Question

NEED HELP In which of the following scenarios is work done?Single choice.

(2 Points)

A weightlifter holds a barbell overhead for 2.5 s.

A construction worker carries a heavy beam while walking at constant speed along a flat surface.

A car decelerates while traveling on a flat stretch of road.

A student holds a spring in a compressed position.

Answer 1

Answer: b. A construction worker carries a heavy beam while walking at constant speed along a flat surface.

Step-by-step explanation:

Answer 2

A construction worker carries a heavy beam while walking at constant speed along a flat surface.

hope it is helpful to you