Description : According to newton second law of motion, the acceleration of an object equals the net force acting on the object divide by the object?
Last Answer : Mass.
Description : How do you use Newtons second law of motion to describe the relationship between force mass and acceleration?
Last Answer : Need answer
Description : The acceleration of a particular body is directly proportional to the resultant force acting on it & inversely proportional to its mass. a. Pascal's Law b. Joule's Law c. Newton's Law d. None of the above
Last Answer : Newton's Law
Description : According to Kepler's law of motion the square of the time period T of a planet around the sun is proportional to the a.mean distance b.square of the mean distance of planet from sun c.cube of the mean distance of planet from sun d.107 dynes e.3/2 power of the mean distance
Last Answer : c. cube of the mean distance of planet from sun
Description : SHM is the motion in which acceleration of the body is proportional to its displacement and directed towards the mean position. A. True B. False C. Neither True Nor False D. None
Last Answer : A. True
Description : In case of simple harmonic motion, displacement is proportional to the (A) Velocity (B) Acceleration (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : B) Acceleration
Description : A body which is attached to a spring undergoes simple harmonic motion. The magnitude of the body's acceleration is: w) constant x) proportional to its displacement from its equilibrium position y) zero z) always increasing.
Last Answer : ANSWER: X -- PROPORTIONAL TO ITS DISPLACEMENT FROM ITS EQUILIBRIUM POSITION
Description : In simple harmonic motion, the acceleration is: w) constant x) proportional to the distance from the central position y) greatest when the velocity is greatest z) none of the above
Last Answer : ANSWER: X -- PROPORTIONAL TO THE DISTANCE FROM THE CENTRAL POSITION
Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above
Last Answer : ANSWER: Z -- 250 JOULES
Description : An object is projected vertically upward near the surface of the earth. At the very top of its path, the object's velocity is zero, and its acceleration is: w) 0 x) 9.8 meters per second squared DOWNWARD y) 9.8 meters per second squared UPWARD z) depends on the mass of the object
Last Answer : ANSWER: X -- 9.8 METERS PER SECOND SQUARED DOWNWARD
Description : An object covers distance which is directly proportional to the square of the time. Its acceleration is – (1) increasing (2) decreasing (3) zero (4) constant
Last Answer : (4) constant Explanation: When an object covers distance which is directly proportional to the square of the time, its acceleration is constant. This is seen in the cases of falling objects. This connection between time and distance was first observed by Galileo.
Description : Which law states force is dependent on the mass and acceleration of an object?
Last Answer : no
Description : Which law states force is dependent on the mass and acceleration on an object?
Description : According to Newton's law of universal gravitation, any two particles of finite mass attract one another with a force which is A. Inversely proportional to the product of their masses and ... the product of their masses and inversely proportional to the square of their distance apart
Last Answer : Directly proportional to the product of their masses and inversely proportional to the square of their distance apart
Description : Explain whether there is acceleration of a rotating object at a balanced speed in a circular motion ?
Last Answer : : In a circular path, there is no acceleration of the rotating object at a balanced speed The rate of change of unequal velocity is called acceleration. So if the velocity is balanced , there will be no acceleration Be it in a circular way or in a straight way.
Description : Derive the expression for average acceleration and instantaneous acceleration for the motion of an object in x-y plane.
Last Answer : Derive the expression for average acceleration and instantaneous acceleration for the motion of an object in x-y plane.
Description : If the motion of an object is described by x = f(t) write formulae for instantaneous velocity and acceleration.
Last Answer : If the motion of an object is described by x = f(t) write formulae for instantaneous velocity and acceleration.
Description : An object whose velocity is changing is said to be in a state of A. acceleration B. rest C. equilibrium D. Brownian motion
Last Answer : acceleration
Description : For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y) directed radially outward z) directed radially inward
Last Answer : ANSWER: Z -- DIRECTED RADIALLY INWARD
Description : Newton's second law states that the net force acting on a body is equal to the body's time rate of change of: w) acceleration x) mass y) momentum z) inertia
Last Answer : ANSWER: Y -- MOMENTUM
Description : Force applied on a body of mass 5 kg is directly proportional to the acceleration produced in the body. Represent this solution as a linear equation in two variables. -Maths 9th
Last Answer : Solution :- Let the force be x and acceleration due to force be y.
Description : Acceleration is – (1) Inversely proportional to force (2) Inversely proportional to mass (3) Directly proportional to mass (4) Directly proportional to force
Last Answer : (1) Inversely proportional to force Explanation: Acceleration, in physics, is the rate of change of velocity of an object with respect to time. An object's acceleration is the net result of ... second law of motion states that acceleration is directly proportional to net force when mass is constant.
Description : Acceleration is (1) Inversely proportional to force (2) Inversely proportional to mass (3) Directly proportional to mass (4) Directly proportional to force
Last Answer : Inversely proportional to force
Description : An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's – (1) First law (2) Second law (3) Third law (4) Fourth law
Last Answer : (1) First law Explanation: Newton's first law of motion - sometimes referred to as the law of inertia-states that every object will remain at rest or in uniform motion in a straight line unless ... its state by the action of an external force. This is normally taken as the definition of inertia.
Description : Euler's equation of motion states, that at every point, the (A) Fluid momentum is constant (B) Force per unit mass equals acceleration (C) Rate of mass outflow is equal to the rate of mass inflow (D) None of these
Last Answer : (B) Force per unit mass equals acceleration
Description : Which of the following statements dealing with simple harmonic motion of a mass-spring system is TRUE? w) The acceleration is largest when the oscillating mass is instantaneously at rest. x) The ... of the motion. z) The acceleration is larger when the oscillating mass has its greatest velocity.
Last Answer : ANSWER: W -- THE ACCELERATION IS LARGEST WHEN THE OSCILLATING MASS IS INSTANTANEOUSLY AT REST
Description : Euler's equation of motion is a statement expressing (A) Conservation of mass (B) Conservation of energy (C) Newton's first law of motion (D) Newton's second law of motion
Last Answer : (A) Conservation of mass
Description : The continuity equation (A) Relates mass flow rate along a stream tube (B) Relates work and energy (C) Stipulates that Newton's second law of motion must be satisfied at every point in the fluid (D) None of these
Last Answer : (A) Relates mass flow rate along a stream tube
Description : In vibrometer, the relative motion between the mass and vibrating body is converted into proportional ________. (A) current (B) voltage (C) resistance (D) ampere
Last Answer : (B) voltage
Description : A sheet of paper can be pulled out quickly from under a glass of water without spilling the water. This phenomenon illustrates (a) lack of friction between paper and glass (b) newton’s third law of motion (c) inertia (d) acceleration
Last Answer : Ans:(c)
Description : Kepler's law of planetary motion states that the square of the time period is proportional to the – (1) semi-major axis (2) square of the semi-major axis (3) cube of the semi-major axis (4) fourth power of the serni-major axis
Last Answer : (3) cube of the semi-major axis Explanation: Kepler's law of planetary motion states that the square of the time period is proportional to the cube of the semi-major axis.
Description : The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called (A) Newton's law of motion (B) Newton's law of cooling (C) Newton's law of viscosity (D) Newton's law of resistance
Last Answer : Answer: Option D
Description : Kepler’s law of planetary motion states that the square of the time period is proportional to the (1) semi-major axis (2) square of the semi-major axis (3) cube of the semi-major axis (4) fourth power of the semi-major axis
Last Answer : cube of the semi-major axis
Description : What is the initial velocity of an object if it is moving 10 meters per second after 2 seconds with a constant acceleration of 4 meters per second squared?
Last Answer : ANSWER: 2 METERS PER SECOND
Description : What is the relation between mass and acceleration if the force applied to an object is constant ?
Last Answer : The lower the mass, the higher the acceleration.
Description : What is the acceleration of an object that has a force of N and the mass of kg?
Last Answer : What is the answer ?
Description : If you doubl the mass of an object while leaving the net force unchanged what is the result on the acceleration?
Description : What will happened to the acceleration of an object if you double both the mass and the unbalanced force acting on it?
Last Answer : If both the mass and the net force on an object are doubled,then the object's acceleration will not change.
Description : An object in equilibrium always has zero: w) velocity x) momentum y) mass z) acceleration.
Last Answer : ANSWER: Z -- ACCELERATION
Description : A force of 15 newtons is acting on an object which has a mass of 3 kilograms. If this is the only force acting on the object, what is the acceleration of the object?
Last Answer : ANSWER: 5 METERS PER SECOND SQUARED
Description : The following are true: a. Kirschman's law: the greatest contrast in colour is seen when the luminosity differnece is small b. Emmbert's law: the perceived size of an object varies in ... image in the periphery of the retina tends to fade or disappear during steady fixation of another objec
Last Answer : Troxler's phenomenon: an image in the periphery of the retina tends to fade or disappear during steady fixation of another objec
Description : Mass transfer co-efficient is directly proportional to DAB 0.5 , according to __________ theory. (A) Penetration (B) Surface renewal (C) Film (D) None of these
Last Answer : (A) Penetration
Description : According to the film theory of mass transfer, the mass transfer coefficient is proportional to (where, D = molecular diffusivity). (A) D (B) D2 (C) D0.5 (D) 1/D
Last Answer : (A) D
Description : Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. (A) Film (B) Penetration (C) Surface-renewal (D) None of these
Last Answer : (A) Film
Description : Pick out the wrong statement. (A) In a first order reaction, A → products; the reaction becomes slower as it proceeds, because the concentration of A decreases and the rate is proportional to the concentration ... irreversible reaction, A + B → 2C is k.CA .CB , then the reaction is always elementary
Last Answer : (C) According to the penetration theory, the mass transfer co-efficient decreases, if the exposure time of an eddy to the solute decreases
Description : According to Bernoulli's equation for steady ideal fluid flow (A) Principle of conservation of mass holds (B) Velocity and pressure are inversely proportional (C) Total energy is constant throughout (D) The energy is constant along a streamline but may vary across streamlines
Description : According to Newton's 2nd law the object's acceleration and centripetal force are A. at right angles to each other B. anti parallel to each other C. make acute angle with each other D. in same direction
Last Answer : in same direction
Description : According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) (A) μ (B) 1/μ (C) √μ (D) μ
Last Answer : (B) 1/μ
Description : According to law of triangle of forces (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side ... point are in equilibrium, each force is proportional to the sine of the angle between the other two
Last Answer : (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium