1. In an isolated system, which of the following is a correct statement of the quantity that isconserved?(a) Kinetic energy(b) Both kinetic energy and potential energy(c) Potential energy(d) Kinetic energy plus potential energy2. If the applied force on an object is perpendicular to the motion. The work done on this objectis:(a) Positive(b) Negative.(c) Zero.(d) None of the above.3. When the depth of a liquid is doubled the gauge pressure will:(a) Increased.(b) Halved.(c) Decreased.(d) Doubled.4. In the hydraulic press the pressure in the large piston is:(a) Larger than that of small piston.(b) Smaller than that of small piston.(c) Equal to that of small piston.(d) Double the pressure of small piston.5. The height of liquid in a capillary tube is inversely proportional to:(a) Fluid density.(b) The radius of the tube.1(c) Contact angle.(d) Both of fluid density and the radius of the tube.6. Friction depends on:(a) The nature of the materials coming into contact with each other and the force pressingthe objects together.(b) The area in contact.(c) The speed of the object.(d) All of the above.

Name: 1. In an isolated system, which of the following is a correct stateme
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: 1. In an isolated system, which of the following is a correct statement of the quantity that isconserved?(a) Kinetic energy(b) Both kinetic energy and potential energy(c) Potential energy(d) Kinetic energy plus potential energy2. If the applied forc

Comment: Since we only answer up to 3 MCQ's we’ll answer the first 3. Please resubmit the question…

Science

Physics

1. In an isolated system, which of the following is a correct statement of the quantity that is conserved? (a) Kinetic energy (b) Both kinetic energy and potential energy (c) Potential energy (d) Kinetic energy plus potential energy 2. If the applied force on an object is perpendicular to the motion. The work done on this object is: (a) Positive (b) Negative. (c) Zero. (d) None of the above. 3. When the depth of a liquid is doubled the gauge pressure will: (a) Increased. (b) Halved. (c) Decreased. (d) Doubled.

1. In an isolated system, which of the following is a correct statement of the quantity that is conserved? (a) Kinetic energy (b) Both kinetic energy and potential energy (c) Potential energy (d) Kinetic energy plus potential energy 2. If the applied force on an object is perpendicular to the motion. The work done on this object is: (a) Positive (b) Negative. (c) Zero. (d) None of the above. 3. When the depth of a liquid is doubled the gauge pressure will: (a) Increased. (b) Halved. (c) Decreased. (d) Doubled.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 4P: a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the...

See similar textbooks

Similar questions

Describe a situation in which a force is exerted for a long time but does no work. Explain.
If only one external force acts on a particle, does it necessarily change the particles (a) kinetic energy? (b) Its velocity?
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.
Answer yes or no to each of the following questions. (a) Can an objectEarth system have kinetic energy and not gravitational potential energy? (b) Can it have gravitational potential energy and not kinetic energy? (c) Can it have both types of energy at the same moment? (d) Can it have neither?
Consider the blockspringsurface system in part (B) of Example 8.6. (a) Using an energy approach, find the position x of the block at which its speed is a maximum. (b) In the What If? section of this example, we explored the effects of an increased friction force of 10.0 N. At what position of the block docs its maximum speed occur in this situation?
(a) Sketch a graph of the potential energy function U(x)=kx2/2+Aex2 where k , A, and are constants. (b) What is the force corresponding to this potential energy? (c) Suppose a particle of mass in moving with this potential energy has a velocity v when its position is x = . Show that the particle does not pass 2+2 through the origin unless Amv2=k22(1e a 2 ) .
As a mass tied to the end of a string strings from its highest point down to its lowest point, it is acted on by three forces: gravity, tension, and air resistance. Which force does (a) positive work? (b) negative work? (c) zero work?
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
A worker pushes a wheelbarrow with a horizontal force of 50 N on level ground over a distance of 5.0 m. 11 a friction force of 43 N acts on the wheelbarrow in a direction opposite that of the worker, what work is done on the wheelbarrow by the worker? (a) 250 J (b) 215 (c) 35 J (d) 10 J (e) None of those answers is correct.
The particle described in Problem 71 (Fig. P5.71) is released from point A at rest. Its speed at B is 1.50 m/s. (a) What is its kinetic energy at B? (b) How much mechanical energy is lost as a result of friction as the particle goes from A to B? (c) Is it possible to determine from these results in a simple manner? Explain.
(a) What is the average useful power output of a person who does 6.00106 J of useful work in 8.00 h? (b) Working at this rate, how long will it take this person to lift 2000 kg of bricks 1.50 m to a platform? (Work done to lift his body can be omitted because it is not considered useful output here.)