Select all the forces that are conservative: Force of friction Force of gravity Force of a spring The force you exert while pushing a shopping cart The force exerted on a steel ball by a wall it's thrown at, if the ball rebounds with the same speed. The force exerted on a clay ball by a wall it's thrown at, if the ball sticks to the wall.

Select all the forces that are conservative: Force of friction Force of gravity Force of a spring The force you exert while pushing a shopping cart The force exerted on a steel ball by a wall it's thrown at, if the ball rebounds with the same speed. The force exerted on a clay ball by a wall it's thrown at, if the ball sticks to the wall.

Name: Select all the forces that are conservative:Force of frictionForce of
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Description: Select all the forces that are conservative:Force of frictionForce of gravityForce of a springThe force you exert while pushing a shopping cartThe force exerted on a steel ball by a wall it's thrown at, if the ball rebounds with the same speed.O The

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 49P: A baseball catcher is performing a stunt for a television commercial. He will catch a baseball (mass...

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A baseball catcher is performing a stunt for a television commercial. He will catch a baseball (mass 145 g) dropped from a height of 60.0 m above his glove. His glove stops the ball in 0.0100 s. What is the force exerted by his glove on the ball?
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A machine at a post office sends packages out a chute and down a ramp to be loaded into delivery vehicles. (a) Calculate the acceleration of a box heading down a 10.0slope, assuming the coefficient of friction for a parcel on waxed wood is 0.100. (b) Find the angle of the slope down which this box could move at a constant velocity. You can neglect air resistance in both parts.
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A 0.450-kg hammer is moving horizontally at 7.00 m/s when it strikes a nail and comes to rest after driving the nail 1.00 cm into a board. Assume constant acceleration of the hammer-nail pair. a. Calculate the duration of the impact. b. What was the average force exerted on the nail?
A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0° below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a free-body diagram for the system of interest. (b) What force must the nurse exert to move at a constant velocity?
A force is a quantity that is ___ of producing motion or a change in motion. (3.1)
A 76.0-kg person is being pulled away from a burning building as shown in Figure 4.41. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution. Figure 4.41 the force T2 needed to hold steady the person being rescued from the fire is less than her weight and less than the force T1 in the other rope, since the more vertical rope supports a greater part of her weight (a vertical force).
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The two barges shown here are coupled by a cable of negligible mass. The mass of the front barge is 2.00103kgand the mass of the rear barge is 3.00103kg . A tugboat pulls the front barge with a horizontal force of magnitude 20.0103N . and the frictional forces of the water on the front and rear barges are 8.00103Nand 10.0103N . respectively. Find the horizontal acceleration of the barges and the tension in the connecting cable.