Dynamics

Dynamics
The direction of centripetal force is always
towards center
away from center
tangent to the circle
normal to the circle
Author: rikazzz Comment
Dynamics
A group of interacting bodies on which no external force is acting is known as
sexasigmal system
isolated system
SGS system
none of above
Author: rikazzz Comment
Dynamics
The product of the mass of a body and velocity is equal to its
inertia
momentum
force
friction
Author: rikazzz Comment
Dynamics
Two masses 4.5 kg and 3.8 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its acceleration when both masses are moving vertically will be equal to
0.8 ms⁻²
0.5 ms⁻²
2 ms⁻²
1.5 ms⁻²
Author: rikazzz Comment
Dynamics
The quantity of matter inside body is
inertia
weight
mass
density
Author: rikazzz Comment
Dynamics
The banking of road prevents
sliding of vehicle
rolling of vehicle
skidding of vehicle
over speeding of vehicle
Author: rikazzz Comment
Dynamics
Newton is denoted by
n
N
w
R
Author: rikazzz Comment
Dynamics
The weight of a body is 150 N. Its mass will be
10 kg
15 kg
18 kg
20 kg
Author: rikazzz Comment
Dynamics
If we make the sliding surfaces smooth by lubricating etc. the friction can be
increase
dangerous
reduce
all of above
Author: rikazzz Comment
Dynamics
Newton’s first law of motion is valid only in the absence of
force
net force
momentum
friction
Author: rikazzz Comment

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