Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6, Problem 2E
A woman does 210 J of work to move a table 1.4 m across the floor. What is the magnitude of the force that the woman applied to the table if this force is applied in the horizontal direction?
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Physics of Everyday Phenomena
Ch. 6 - Equal forces are used to move blocks A and B...Ch. 6 - A man pushes very hard for several seconds upon a...Ch. 6 - Prob. 3CQCh. 6 - In the situation pictured in question 3, if there...Ch. 6 - In the situation pictured in question 3, does the...Ch. 6 - A ball is being twirled in a circle at the end of...Ch. 6 - A man slides across a wooden floor. What forces...Ch. 6 - A woman uses a pulley arrangement to lift a heavy...Ch. 6 - A lever is used to lift a rock, as shown in the...Ch. 6 - A crate on rollers is pushed up an inclined plane...
Ch. 6 - A boy pushes his friend across a skating rink....Ch. 6 - A child pulls a block across the floor with force...Ch. 6 - If there is just one force acting on an object,...Ch. 6 - Prob. 14CQCh. 6 - A box is moved from the floor up to a tabletop but...Ch. 6 - Prob. 16CQCh. 6 - Is it possible for a system to have energy if...Ch. 6 - Prob. 18CQCh. 6 - Which has the greater potential energy: a ball...Ch. 6 - Prob. 20CQCh. 6 - Suppose the physics instructor pictured in figure...Ch. 6 - A pendulum is pulled back from its equilibrium...Ch. 6 - For the pendulum in question 22when the pendulum...Ch. 6 - Is the total mechanical energy conserved in the...Ch. 6 - Prob. 25CQCh. 6 - Prob. 26CQCh. 6 - Prob. 27CQCh. 6 - Prob. 28CQCh. 6 - Prob. 29CQCh. 6 - If one pole-vaulter can run faster than another,...Ch. 6 - Prob. 31CQCh. 6 - Suppose that the mass in question 31 is halfway...Ch. 6 - A spring gun is loaded with a rubber dart. The gun...Ch. 6 - Prob. 34CQCh. 6 - A sled is given a push at the top of a hill. Is it...Ch. 6 - Prob. 36CQCh. 6 - Prob. 37CQCh. 6 - A horizontally directed force of 40 N is used to...Ch. 6 - A woman does 210 J of work to move a table 1.4 m...Ch. 6 - A force of 80 N used to push a chair across a room...Ch. 6 - Prob. 4ECh. 6 - Prob. 5ECh. 6 - Prob. 6ECh. 6 - Prob. 7ECh. 6 - Prob. 8ECh. 6 - A leaf spring in an off-road truck with a spring...Ch. 6 - To stretch a spring a distance of 0.30 m from the...Ch. 6 - Prob. 11ECh. 6 - Prob. 12ECh. 6 - A 0.40-kg mass attached to a spring is pulled back...Ch. 6 - Prob. 14ECh. 6 - A roller-coaster car has a potential energy of...Ch. 6 - A roller-coaster car with a mass of 900 kg starts...Ch. 6 - A 300-g mass lying on a frictionless table is...Ch. 6 - The time required for one complete cycle of a mass...Ch. 6 - The frequency of oscillation of a pendulum is 16...Ch. 6 - Prob. 1SPCh. 6 - As described in example box 6.2, a 120-kg crate is...Ch. 6 - Prob. 3SPCh. 6 - Suppose that a 300-g mass (0.30 kg) is oscillating...Ch. 6 - A sled and rider with a total mass of 50 kg are...Ch. 6 - Suppose you wish to compare the work done by...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?arrow_forwardGive 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.arrow_forwardA block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle = 25.0 below the horizontal as shown in Figure P6.3. Determine the work done on the block by (a) the applied force, (b) the normal force exerted by the table, (c) the gravitational force, and (d) the net force on the block. Figure P6.3arrow_forward
- The force acting on a particle is Fx = (8x 16), where F is in newtons anti x is in meters. (a) Make a plot of this force versus x from x = 0 to x = 3.00 m. (b) From your graph, find the net work done by this force on the particle as it moves from x = 0 to x = 3.00 m.arrow_forwardA nonconstant force is exerted on a particle as it moves in the positive direction along the x axis. Figure P9.26 shows a graph of this force Fx versus the particles position x. Find the work done by this force on the particle as the particle moves as follows. a. From xi = 0 to xf = 10.0 m b. From xi = 10.0 to xf = 20.0 m c. From xi = 0 to xf = 20.0 m FIGURE P9.26 Problems 26 and 27.arrow_forwardIn Figure 5.5 (a)-(d), a block moves to the right in the positive x-direction through the displacement x while under the influence of a force with the same magnitude F. Which of the following is the correct order of the amount of work done by the force F, from most positive to most negative? (a) d, c, a, b (b) c, a, b, d (c) c, a, d, barrow_forward
- (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.)arrow_forwardIf the net work done by external forces on a particle is zero, which of the following statements about the particle must be true? (a) Its velocity is zero. (b) Its velocity is decreased. (c) Its velocity is unchanged. (d) Its speed is unchanged. (e) More information is needed.arrow_forwardA shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0° below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c) What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using energy considerations. (e) What is the total work done on the cart?arrow_forward
- (a) A force F=(4xi+3yj), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction from the origin to x = 5.00 m. Find the work W=Fdr done by the force on the object. (b) What If? Find the work W=Fdr done by the force on the object if it moves from the origin to (5.00 m, 5.00 m) along a straightline path making an angle of 45.0 with the positive x axis. Is the work done by this force dependent on the path taken between the initial and final points?arrow_forwardThe force acting on a panicle varies as shown in Figure la P7.14. Find the work done by the force on the particle as it moves (a) from x = 0 to x = 8.00 m. (b) from x = 8.00 m to x = 10.0 m, and (c) from x = 0 to x = 10.0 m.arrow_forwardAs a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to build and use a staircase instead. Since the work of the gravitational force mg is path Independent, what did the King of the Apes gain in using stairs?arrow_forward
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