When the forces that act on an object have a vector sum of zero, the object is said to be in a.Rectilinear equilibrium b. Stable equilibrium c.Rotational equilibriumd.Translational equilibriumTangential acceleration a.Changes nothing about velocity b. Changes the mgnitude of the centripetal acceleration c. Changes the magnitude of the velocity d. Changes the direction of the velocity More massive objects are harder to accelerate. This statement is a.Sometimes false b.Always true c.Always false d.Sometimes true Expressed as the ration of total deformation to the initial dimensions of the material body in which forces are being applied. a.Stress b. Dislocation c. Elasticityd. Strain The centripetal force is a. Either directed away or toward the center b. Directed away from the center of the curvature of the path c. Directed toward the center of the curvature of the path d. Tangent to the curvature of the pathWhich of the ff. best describes a scientific law?a.It implies something accurate b. It implies experimentation results c. It summarizes observed facts d.It describes and observes physical results The rate of rotary motion is called a. Angular velocity b. Angular motion c. Angular displacement d. Angular accelerationWhat average force is necessary to stop a .45 caliber bullet of mass 15 grams and speed of 300 m/s as it penetrates a block to a distance of 5 cm?a.12.6 kN b.13.5 kN c.13.0 kN d. 12.0 kNThe continuity equation is an expressiom of a.Conservation of mass b.Conservation of energy c.Conservation of angular momentum d.Conservation of momentumWhich of the ff. statements is NOT true about acceleration?a.Acceleration is uniform for straight line motion. b.For circular motion, acceleration is constant in magnitude and direction c.Acceleration is uniform if the velocity changes by equal amount in equal time d.The average acceleration cannot be used in precise calculations unless the acceleration is uniformTensile and compressive stress are caused by forces ________ to the area on which they act a.Perpendicular b.Angled c.Parallel d.SkewA wave in which the particles of the material move up and down as the waves goes from left is called a a.Longitudinal wave b.Transverse wave c.Standing waved. None of these How much work is required to raise a 0.1 kg block to a height of 2 m and simultaneously give it a velocity of 3 m/s. a.1.42 J b.2.12 J c. 2.41 J d.1.67 J

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Answered: When the forces that act on an object…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotation Of A Rigid Object About A Fixed Axis

Section: Chapter Questions

Problem 21P: You have just bought a new bicycle. On your first riding trip, it seems that the hike comes to rest...

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When the forces that act on an object have a vector sum of zero, the object is said to be in a.Rectilinear equilibrium b. Stable equilibrium c.Rotational equilibriumd.Translational equilibrium
Tangential acceleration a.Changes nothing about velocity b. Changes the mgnitude of the centripetal acceleration c. Changes the magnitude of the velocity d. Changes the direction of the velocity
More massive objects are harder to accelerate. This statement is a.Sometimes false b.Always true c.Always false d.Sometimes true
Expressed as the ration of total deformation to the initial dimensions of the material body in which forces are being applied. a.Stress b. Dislocation c. Elasticityd. Strain
The centripetal force is a. Either directed away or toward the center b. Directed away from the center of the curvature of the path c. Directed toward the center of the curvature of the path d. Tangent to the curvature of the path
Which of the ff. best describes a scientific law?a.It implies something accurate b. It implies experimentation results c. It summarizes observed facts d.It describes and observes physical results
The rate of rotary motion is called a. Angular velocity b. Angular motion c. Angular displacement d. Angular acceleration
What average force is necessary to stop a .45 caliber bullet of mass 15 grams and speed of 300 m/s as it penetrates a block to a distance of 5 cm?a.12.6 kN b.13.5 kN c.13.0 kN d. 12.0 kN
The continuity equation is an expressiom of a.Conservation of mass b.Conservation of energy c.Conservation of angular momentum d.Conservation of momentum
Which of the ff. statements is NOT true about acceleration?a.Acceleration is uniform for straight line motion. b.For circular motion, acceleration is constant in magnitude and direction c.Acceleration is uniform if the velocity changes by equal amount in equal time d.The average acceleration cannot be used in precise calculations unless the acceleration is uniform
Tensile and compressive stress are caused by forces ________ to the area on which they act a.Perpendicular b.Angled c.Parallel d.Skew
A wave in which the particles of the material move up and down as the waves goes from left is called a a.Longitudinal wave b.Transverse wave c.Standing waved. None of these
How much work is required to raise a 0.1 kg block to a height of 2 m and simultaneously give it a velocity of 3 m/s. a.1.42 J b.2.12 J c. 2.41 J d.1.67 J

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