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Force & Motion Practice 6

1 / 50

the slop of distance time graph for moving bodies will always be

2 / 50

if a stone is released from moving train, then the stone will follow.

3 / 50

displacement time graph for an object moving with constant velocity is a 

4 / 50

instantaneous and average velocity becomes equal when a body 

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two projectiles are fired at different angles with the same magnitude of velocity such that they have the same range. at what angles they might have been projected?

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the speed of car weighing 1500kg increases from 36km/h to 72km/h uniformly. what will be the change of momentum of the car

7 / 50

when the average velocity of a moving body is equal to its instantaneous velocity then it is moving with

8 / 50

two balls projected at 30° and 60° with the same initial velocity the ratio of their maximum heights is

9 / 50

A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible. Point Q is the highest point on the path. Which of the following best indicates the direction of the acceleration, if any, of the ball at point Q?

10 / 50

the distance travelled is given by

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if a body starts from a point and returns back to the same point then its

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Consider the following five graphs(note the axes carefully). Which of the following motion at constant speed?

13 / 50

a person can throw a stone to maximum distance of 80m the greatest  height to which he can throw is

14 / 50

Which of the following figures represents uniform motion of a moving object correctly?

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What is the resultant force shown in fig?

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A stone is dropped from a height of 125 m. After 3 sec of its fall, it is stopped for a moment, and then released. The total time of flight is

17 / 50

inertia of the body has direct dependence on

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a projectile is thrown at an angle of 30° with the horizontal has a range R1 and attains a maximum height h1 - another projectile thrown, with the same velocity at an angle 30° with the vertical has a range R2 and attains a maximum height h2. the relation between R1 and R2 is

19 / 50

decrease in velocity per unit time is called

20 / 50

at the  top of trajectory in projectile motion angle between v and acceleration is 

21 / 50

if the initial speed of the projectile is doubled

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in straight line motion  the 

23 / 50

the ratio of magnitudes of average velocity to average speed of a moving body in a straight line

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velocity and acceleration are in same direction when

25 / 50

the acceleration of a projectile relative to another projectile is 

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an Object is Dropped from rest, its v-t graph is

27 / 50

A particle is moving with a constant speed along a straight line path. A force is not required to

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a newton is the force

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a train takes 1 hour to go from one station to the other. it travels at a speed of 30 kmh-1 for first half hour and at a speed of 50kmh-1 for the next half hour the average speed of the train is 

30 / 50

if a projectile is thrown with 19.6m/s velocity at 30° with x-axis , time taken to reach the highest point 

31 / 50

in projectile motion the

32 / 50

From the following displacement-time graph find out the velocity of a moving body.

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The velocity time graph of the motion of the body is as shown below The total distance travelled by the body during the motion is equal to ____.

34 / 50

if R=Rmax/2 then the angle of projection is

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a man is at rest in the middle of the pond on perfectly smooth ice. he can get himself making to the shore by making use of newton's

36 / 50

a body whose momentum is constant must have constant 

37 / 50

K.E of projectile at highest point is half of its initial K.E angle of projection is

38 / 50

the slop of v-t graph for uniform velocity is

39 / 50

A force can cause

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a graph is drawn with force along Y-axis and and time along X-axis. the area under the graph represents.

41 / 50

a ball is in free fall its acceleration is 

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if the force acting on the body is doubled then acceleration produced is _________________

43 / 50

The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point

44 / 50

at which point  for a projectile its K.E is completely converted into P.E

45 / 50

a baseball is thrown vertically into the air. the acceleration of the ball at its highest point is

46 / 50

a 7.0 kg bowling ball experiences a net force of 5.0 N what will be its acceleration

47 / 50

 A man is in a car is moving with the velocity of 36km/hr. His speed with respect to the car is

48 / 50

A body of mass 'm' collides against a wall with a velocity 'v' and retraces its path with the same speed. The change in momentum is (take initial direction of velocity as positive)

 

49 / 50

the reaction force does not cancel the action force because.

50 / 50

an object is accelerating 

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Pos.NameDurationPoints
1Muhammad aizaz p216 minutes 56 seconds47
2junaid iqbal P111 minutes 45 seconds46
3Imdad Ullah p133 minutes 46 seconds45
4Waleeja p211 minutes 49 seconds42
5Laiba Raza p141 minutes 32 seconds41
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