Register
A waiter walks a distance of 5m holding a tray of food that weighs 10N. How much work has the waiter done on the tray?
520,118 views
32 votes
32 votes
A waiter walks a distance of 5m holding a tray of food that weighs 10N. How much work has the waiter done on the tray?

User Serg Hospodarets
by
2.4k points

2 Answers

21 votes
21 votes
Force(10N)xDistance(5m)=50j(work done)
User Silom
by
2.4k points
19 votes
19 votes

Answer:

0 joule of workdone

Step-by-step explanation:


w = f * d * \cot( \beta )

force and the displacement are perpendicular to each other so cos(90⁰) =0

User Vibhav Singh Rohilla
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2
How can I solve the following? In (Figure 1), let V = 15.0 V and C1=C2=C3= 24.2 μF. Part A: How much energy is stored in the capacitor network as shown in (Figure 1)? Part B: How much energy would be stored
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
a dog is running around chasing his tail using a force of 30N. The dog has a mass of 5 kg. what is the dogs acceleration?
Link Copied!