What is meant by acceleration of an object ?

1 Answer

Answer :

Acceleration of an object refers to the rate at which velocity increases with time.

Related questions

Description : What is meant by gravitational acceleration value of 9.8ms 2 ?

Last Answer : The acceleration that occurs in a freely falling object under the influence of gravity is called gravitational acceleration , which is an excellent natural example of balanced acceleration. The value of gravitational ... of any object falling freely on the earth 's surface is 9.8ms − 2 .

Description : What is meant by gravitational acceleration of the moon 1.63ms-2 ?

Last Answer : The gravitational acceleration of the moon is 1.63ms-2 . When an object is thrown upwards from the lunar surface, its velocity decreases by 1.63ms-2 per second. That is, the object is attracted to the center of the moon at an acceleration of 1.63ms-2 .

Description : Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between 4th and 5th seconds -Physics 9th

Last Answer : Uniform acceleration in the interval between 4th and 5th seconds = = (5u + 1/2 * a * 5^2) - (4u + 1/2 * a * 4^2) = 5u + 1/2 *a * 25 - 4u + 1/2 * a * 16 = u + 1/2 * a * (25-16) = u + 1/2 * a * 9 = u + 9/2 * a If it starts from rest then the displacement will be 9/2a. hope this helps!

Description : An object moves along a straight line with an acceleration of 2 m/s2. If its initial speed is 10 m/s, what will be its speed 2 s later? -Science

Last Answer : u=10 m/s,t=2 s, a=2 m/s2 v=u+atv=u+at v=10+2×2=14v=10+2×2=14 m/s

Description : An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s after it was dropped. -Science

Last Answer : v=u+atv=u+at u=0u=0 v=10×5=50m/sv=10×5=50m/s

Description : A object moves with uniform positive acceleration. Its velocity-time graph will be (a) A straight line parallel to the time axis (b) A straight line inclined at an obtuse angle to the time axis (c) A straight line inclined at an acute angle to the time axis (d) None of these. -Science

Last Answer : Answer is (c)

Description : what is the acceleration of a 1.4 kg object if the gravitational force pulls downward on it , but air resistance pushes upward on it with a force of 2.5 N?

Last Answer : if g = 10(m/s)/s then force down = ma = 10*1.4=14n14n-2.5n=11.5na=f/m = 11.5/1.4 = 8.21 (m/s/)s

Description : What is the nature of velocity versus time in the case of an object moving at a steady acceleration from a stationary position ?

Last Answer : In the case of an object moving at a steady acceleration from a stationary position, the velocity versus the time line will be a straight line to the point.

Description : Why is there no acceleration of an object moving at equal speed ? Explain ?

Last Answer : The rate of change of velocity is zero because the value of velocity of a moving object does not change. Due to this the acceleration is also zero. That is `a = (vu) / t = (vv) / t`

Description : What is the acceleration of a moving object ? Explain. ?

Last Answer : An object moving at the same speed ‍ there is no change in the initial velocity ( u) and the end velocity ( v) at any given time. We know that the rate at which an object changes over time is called acceleration. Acceleration , a = v-ut = u-ut = 0t = o So there is no acceleration of a moving object.

Description : Explain the acceleration of an object moving in a circular path. ?

Last Answer : We know that the acceleration of an object moving in a circular path is called angular acceleration. That is, the rate of change of velocity of an object moving in a circular path with time is called angular acceleration.

Description : Explains the acceleration of an object in a circular and akabaka way. ?

Last Answer : : We know that the rate of asymmetric growth over time is called acceleration. Acceleration is generally of two types - 1. Smooth acceleration , 2. Uneven acceleration. Again, if the velocity ... , bicycles , rickshaws go on the Akabaka road so their acceleration is uneven acceleration. Thank you!

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 : 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 : 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 : The initial velocity of an object is vector u = 5i + 10j m/s. Its constant acceleration is vector a = 2i + 3j m/s^2.

Last Answer : The initial velocity of an object is vector u = 5i + 10j m/s. Its constant acceleration is ... Determine the velocity and the displacement after 5 s.

Description : Explain the velocity-tune graphs of an object: i) Moving with zero acceleration.  ii) Moving with constant positive acceleration. 

Last Answer : Explain the velocity-tune graphs of an object: i) Moving with zero acceleration. ii) ... acceleration. iv) Moving with non-uniform acceleration.

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 : If the gravitational force between the earth and object always causes the same acceleration why does a feather fall more slowly than a hammer does?

Last Answer : Need answer

Description : How does the direction of the acceleration along determine if the object is speeding up or slowing down?

Last Answer : Take the component of the acceleration along the direction theobject is moving. If this component is positive (the accelerationvector, or the relevant component, points in the same direction asthe movement), then the object is speeding up.

Description : What According to the second law of motion the mass of an object is proportional to the acceleration of that object?

Last Answer : Feel Free to Answer

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?

Last Answer : What is the answer ?

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 : In free fall the object with less air resistance with a greater acceleration true or false?

Last Answer : Need answer

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 : 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?

Last Answer : no

Description : Why does a heavier object fall with the same acceleration as the lighter object?

Last Answer : Because the acceleration due to earth (gravitation) dose not depends on the mass of falling object & it's constant for deferent masses :F= (G M m) / d2 (1)F = ma = mg ...(2)mg = (G M ... ) depends only on the distance (d) between Erath and the object and do not depend on the mass of falling object.

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 : For an object that is speeding up at constant rate how would the acceleration vs time graph look?

Last Answer : A line angled upward

Description : For an object that is speeding up at constant rate how would the acceleration vs time graph look?

Last Answer : A line angled upward

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 : An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to A. v²⁄r B. v⁄r C. v²×r D. v×r

Last Answer : v²⁄r

Description : The average speed of a moving object during a given interval of time is always: A. the magnitude of its average velocity over the interval B. the distance covered during the time ... its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval

Last Answer : B. the distance covered during the time interval divided by the time interval (Answer)

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 : Acceleration of free fall depends on the A. surface B. weight of object C. distance from center of Earth D. size of object

Last Answer : weight of object

Description : An object in equilibrium always has zero: w) velocity x) momentum y) mass z) acceleration.

Last Answer : ANSWER: Z -- ACCELERATION

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 : 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 : 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 : 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 : 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 : Pick up the correct statement from the following: (A) The object of classifying soils is to arrange them into groups according to their properties and behaviour (B) A soil classification system is ... first category of soil classification is based on grain size of the soil (D) All the above

Last Answer : Answer: Option D