The ratio of the average velocity and average speed of a body is 1 More than 1 1 or Less than 1 None of these options
Answer: (c) 1 or Less than 1
Oops!
Check
Okay!
Check
monster
Reset all scores!
Oops!
magnet
Take 10 points!
Okay!
shark
Other team loses 10 points!
Okay!
baam
Lose 20 points!
Oops!
15
DISTANCE IS A -------------- QUANTITY A) SCALAR QUANTITY B) VECTOR QUANTITY.
SCALAR QUANTITY
Oops!
Check
Okay!
Check
15
Unit of acceleration is _________________ m2s m/s m/s2 m/s
Answer: (c) m/s2
Oops!
Check
Okay!
Check
15
uppose a boy is moving with a uniform velocity of 10 m/s on a merry-go-round ride. Which of the following is true of the given scenario? The boy is at rest The boy is moving with no acceleration The boy is moving with accelerated motion Th
(c) The boy is moving with accelerated motion.
Oops!
Check
Okay!
Check
15
A body moving in a straight line has a uniform motion if it travels _____ distance in equal time intervals. equal unequal
(a) equal
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
gold
Win 50 points!
Okay!
gift
Win 10 points!
Okay!
thief
Give points!
5
10
15
20
25
15
10. The physical quantity that has both magnitude and direction is known as vectors scalars Both(a) and (b) Neither (a) or (b)
Answer: (a) vectors
Oops!
Check
Okay!
Check
15
What does the slope of the distance-time graph give? speed velocity acceleration displacement
(a) speed
Oops!
Check
Okay!
Check
15
When the distance travelled by a body is proportional to the time taken. What happens to its speed? Becomes zero Remains the same Increases Decreases
Answer: (b) Remains the same
Oops!
Check
Okay!
Check
15
What is the difference between distance and displacement? a) Distance is the length of the path traveled, displacement is the change in position. b) Displacement is the length of the path traveled, distance is the change in position. c) The
d) Distance is always greater than displacement.
Oops!
Check
Okay!
Check
15
What would be the displacement of a particle moving in a circular path of radius r after a displacement of half a circle?A)2Ïr B)Ïr C) 2r D)Zero
(c) 2r
Oops!
Check
Okay!
Check
banana
Go to last place!
Oops!
seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
Which of the following situations is true and possible? If the velocity of a body is zero, then the acceleration can be non-zero A body moving at a constant velocity can have acceleration The magnitude of distance and displacement are equa
(a) If the velocity of a body is zero, then the acceleration can be non-zero
Oops!
Check
Okay!
Check
15
. The area under a velocity-time graph gives __________.(a) distance (b) acceleration (c) speed (d) displacement
B) ACCELERATION
Oops!
Check
Okay!
Check
15
Velocity is defined as _____ per time. distance displacement power acceleration