A Concrete Block Is Pulled 7

question 19

Multiple Choice

A concrete block is pulled 7.0 m across a frictionless surface by means of a rope.The tension in the rope is 40 N; and the net work done on the block is 247 J.What angle does the rope make with the horizontal?

• A)28°
• B)41°
• C)47°
• D)62°
• E)88°

---

Definitions:

Rival In Consumption

A characteristic of a good whereby its use by one person diminishes its availability for use by another person, contrasting with non-rival goods.

Gym Membership

A paid subscription that grants an individual access to a gym's facilities and equipment for a set period of time, promoting physical fitness and health.

Public Goods

Goods that are non-excludable and non-rivalrous, meaning they can be used by anyone without preventing others from using them as well.

Not Excludable

A characteristic of a good or service that does not allow producers to prevent its use by non-paying consumers, often leading to market failure.