Motion In A Straight Line

Physics
3942 Views

The accelerated motion of a body can occur :

A
Due to change in its speed only.
B
Due to change in direction of motion only.
C
Due to change in both speed and direction of motion.
D
Due to constancy of velocity.
Easy
View solution>

Unit for the rate of change of velocity is

A
m / s
B
C
N s
D
N / s
Easy
View solution>

The area under acceleration-time graph gives

A
change in acceleration
B
change in velocity.
C
change in displacement.
D
change in deceleration
Easy
View solution>

Velocity of a body at rest is always

A
Unity
B
Negative
C
Zero
D
Infinite
Easy
View solution>

Unit of acceleration is

A
B
C
D
none of these
Easy
View solution>

Physical quantity corresponding to the rate of change of displacement is

A
Speed
B
Velocity
C
Acceleration
D
Retardation
Easy
View solution>

Define velocity. State its unit.

A
Velocity is defined as the rate of change of distance of a body with respect to time. Its unit in SI is .
B
Velocity is defined as the rate of change of displacement of a body with respect to time. Its unit in SI is .
C
Velocity is defined as the rate of change of distance of a body with respect to time. Its unit in SI is .
D
Velocity is defined as the rate of change of displacement of a body with respect to time. Its unit in SI is .
Easy
View solution>

If the velocity of a body does not change, its acceleration is

A
Zero
B
Infinite
C
Unity
D
None of these
Easy
View solution>