Question

distance is a example for -------quantity

A scalar
B vector
C both scalar and vector
D none
Description :
02.
The shortest distanc is ---------.

A speed
B velocity
C displacement
D acceleration
Description :
03.
Which of the following can sometimes be zero for a moving body

A average speed
B velocity
C distance
D displacement
Description :
04. A body whose speed is constant
A must be accelerated
B might be accelerated
C has a constant velocity
D can not be accelerated
Description :
05.
The initial velocity of a body is u.It is under uniform acceleration a.Its velocity v at any time t is given by-

A v=u+at
B v=u+1/2 at^2
C v=u+ at^2
D v= u
Description :
06. Rate of change of displacement is called
A speed
B deceleration
C acceleration
D velocity
Description :
07.
When a body moves uniformly along the circle,then

A its velocity changes but speed remains the same
B
its speed changes but velocity remains the same

C both speed and velocity changes
D
both speed and velocity remains same

Description :
08.
Acceleration is a vector quantity,which indicates that its value

A Is always negative
B ls always positive
C Is zero
D
Can be positive,negative or zero

Description :
09. The SI unit of measurement of acceleration is
A m/s
B m/s^2
C km/h
D M
Description :
10.
The average velocity of a body is given by expression

A v=u+at
B s=ut +1/2 st^2
C 2as =v^2- u^2
D V(av) = (u +v)/2
Description :
11. Which of the following gives both direction and magnitude
A scalar
B vector
C both
D none
Description :
12.
Odometer is a device of measuring

A speed
B distance
C time
D velocity
Description :
13. If a moving body comes to rest,then its acceleration is
A positive
B negative
C zero
D all of these depending upon initial velocity
Description :
14. A car increases its speed from 20km/h to 30km/h in 10seconds.Its acceleration is
A 30m/s^2
B 3m/s^2
C 18m/s^2
D 0.83m/s^2
Description :
15. If the position of an object does not change with time,it is said to be at
A rest
B moving
C uniform
D nonuniform​

Answer 1

Answer:

1) vector is the correct answer....

Answer 2

Answer:

1. scalar
2. displacement
3. displacement
4. has a constant velocity
5. v= u+1/2 at2
6. velocity
7. both velocity and speed changes
8. can be positive, negative or zero
9. m/s2
10. 2as=v2-u2
11. vector
12. distance
13. negative
14. 0.83
15. rest