Which of the following is a vector quantity?
(A) Retardation
(B) Speed
(C) Force
(D) Distance
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The slope of distance-time graph gives instantaneous-
Which of the is true for displacement?
(A) It cannot be zero
(B) Its magnitude is greater than the distance travelled by the object.
(C) It’s the shortest distance between initial & final position.
(D) It is a vector quantity.
Which of the following velocity – time graph represents uniform acceleration?
Statement A : When a body moves with uniform speed, then the average speed is same as instantaneous speed.
Statement B : Average speed is less than average velocity.
Which of the above statement is true
A body is travelling at a constant speed in a circle it has
‘A body can be at rest and in motion at the same time’ the above statement is
A car is moving with uniform speed and covers 100m in 50 second find the speed.
Statement A : Uniform circular motion is a case of accelerated motion
Statement B : In third equation of motion we do not have the time.
A body is moving with a velocity of 10m/s. If the motion is uniform, what will be the velocity after 10 second?
Which of the following velocity – time graph represents uniform acceleration?
If two objects move in circular path of radii in the ratio of 1:3 and take same time to complete the circle, what is the ratio of their speeds?
Distance can never be ____________ for a moving body
A particle covers equal distance in equal interval of time. It is said to be
Which of the following is correct about uniform circular motion?
(A) Direction of motion is continuously changed.
(B) Direction of motion is not changed.
(C) Speed and direction both remain constant.
(D) Speed is constant, but direction is changing.
Which of the following situations are not possible?
A car has an uniform acceleration of 8 ms−2. What distance will it cover in 20 second after start?
Which of the quantities – speed, time, velocity and acceleration have the same SI unit?
Statement A : A curved line in a speed – time graph means non-uniform motion.
Statement B : A curved line in a velocity – time graph means uniform acceleration
Which of the following is correct about the following distance-time graph?
A man walks at 1 m/s for 60 minutes.He takes rest for 20 minutes and then walks at a speed of 1 m/s for 60 minutes.Find his average speed.
A train 120m long moving on a straight and level track with uniform speed passes a pole in 6 seconds. Find the time it will take to cross a 50 m long bridge.