Which of the following is correct about the following distance-time graph?
The reference point for measuring position of a body is called
1 Crore+ students have signed up on EduRev. Have you? Download the App |
Match the following with correct response.
(1) Speed
(2) Velocity
(3) Acceleration
(4) Average speed
(A) Displacement / Time taken
(B) Total distance covered / Total time taken
(C) Change in velocity / Time taken
(D) Distance covered / Time taken
A body is said to be in rest when
Four cars A,B,C and D are moving on a levelled road. Their distance time graph is given as under The correct statement is
A Car C is fastest
B Car A is faster than car D
C Car c is slowest
D Car B is slowest
Under what condition (s) is the magnitude of average velocity of an object equal to its average speed?
Which of the following is an example of uniform motion?
A The motion of car in the busy road
B The motion of a satellite around the planet
C The motion of moon around the earth
D The motion of any particle on the arm of a clock
A person sitting in the truck projected a ball vertically upwards. The ball
If we get a curve line in displacement – time graph then the velocity is
A train is travelling at a speed of 90 km/h. Brakes are applied so as to produce a uniform acceleration of −0.5m/s2.Find how far will the train go before it is brought to test.
Which of the following physical quantity is not present in first equation of motion?
The third equation of motion is-
If a bus accelerates uniformly from rest to attain a speed of 144 km h−1in 20 seconds it covers a distance of
Which of the following is the case of accelerated motion?
Match the following with correct response.
(1) Scalar
(2) Vector
(3) Rectilinear motion
(4) Circular motion
(A) Magnitude and direction
(B) Motion of satellite
(C) Non-uniform
(D) Magnitude
Match the following with correct response.
(1) Rate of change of velocity
(2) Rate of change of displacement
(3) Rate of change of distance
(4) Rate of change of speed in circular path
(A) Uniform circular motion
(B) Velocity
(C) Acceleration
(D) Speed
Odometer is a device installed in vehicles which measures-
What is the quantity which is measured as the area occupied in the velocity – time graph?
Match the following with correct response.
(1) Velocity
(2) Displacement
(3) Acceleration
(4) Retardation
(A) m/s2
(B) m/s
(C) −m/s2
(D) m
Match the following with correct response.
(1) I equation of motion
(2) II equation of motion
(3) III equation of motion
(4) Retardation
(A) V2=u2+2as
(B) v = u + at
What is the ratio of CGS unit to SI unit of velocity?
What is the nature of the distance – time graphs for uniform motion of an object
Match the following with correct response.
(1) Uniform acceleration
(2) Measurement of distance
(3) Energy
(4) Acceleration
(A) Vector quantity
(B) Odometer
(C) Velocity increases in equal intervals of time
(D) Scalar quantity
Match the following with correct response.
(1) Graph showing uniform velocity
(2) Graphshowing uniformly accelerated velocity
(3) Graph showing uniformly retarded
(4) Graph showing non-uniform motion
(A) Straight line sloping upwards
(B) Curved line
(C) Straight line sloping downwards
(D) Straight line parallel to x-axis
What is the ratio of distance to displacement?
What can you say about the motion of an object whose distance – time graph is a straight line parallel to time axis?
Match the following with correct response.
(1) vv
(2) aa
(3) VavVav
(4) 2aS
(B) v2−u2
Which of the following statement is correct?
A) When a body starts from rest, u = 0
B)When a body comes to rest, v = 0
C) For a body under free fall, a=−9.8m/s2a=−9.8m/s2
D)For uniform velocity, a = 0
Match the following with correct response.
(1) Non- uniform motion
(2) Speed from distance-time graph
(3) Distance covered from speed- time graph
(4) Average velocity
(A) Slope of the graph
(C) Area under speed-time graph
(D) If a body covers unequal distances in equal intervals of time