What Is the Power Output Needed from a Motor to Lift,in

question 37

Multiple Choice

What is the power output needed from a motor to lift,in the absence of friction,a mass of 1.5 $\times$ 10⁴ kg 25 m in 6.0 s at constant speed?

• A)2.0 \(\times\) 10⁶ W
• B)6.1 \(\times\) 10⁵ W
• C)2.2 \(\times\) 10⁴ W
• D)8.3 \(\times\) 10⁵ W
• E)3.1 \(\times\) 10⁵ W

---

Definitions:

Competing

The action of participating in a market with others striving for the same objective, often business or market share.

Enforceable

A term applied to contracts or agreements that are legally binding and can be upheld in court.

Freedom Of Contract

The principle that individuals have the liberty to enter into contracts of their choosing without undue government restriction.

Courts

Institutions vested with the power to adjudicate legal disputes between parties and carry out the administration of justice in civil, criminal, and administrative matters.