Dynamics

Dynamics
A wire is stretched by 2 equal and opposite forces 15 N each. The tension in the string will be
30 N
20 N
15 N
25 N
Author: rikazzz Comment
Dynamics
The quantity of motion a body possesses due to its mass and velocity is called
acceleration
force
inertia
momentum
Author: rikazzz Comment
Dynamics
The acceleration produced in an 8 kg mass when a force acts on a body of 5 kg produces an acceleration of 10 ms^-2 is
6.25 ms^-2
6.25 ms^-1
5 ms^-2
4 ms^-2
Author: rikazzz Comment
Dynamics
A brick of mass 100 g is attached to a rope 1m long. The brick is rotating in a circle with 5ms⁻¹ speed. The tension in the rope will be
3 N
2.5 N
4 N
1.5 N
Author: rikazzz Comment
Dynamics
The property due to which a body resists the change in its state is called
inertia
friction
force
velocity
Author: rikazzz Comment
Dynamics
In dryer, the water is pushed out of wet clothes due to
abundance of centripetal force
lack of centripetal force
friction
retarding force
Author: rikazzz Comment
Dynamics
If we place some coins over the paper strip and pull it with a jerk, then coins don’t fall off because of
friction
inertia
resistance
force
Author: rikazzz Comment
Dynamics
The ratio between the force of the limiting friction and the normal reaction is
always negative
always zero
constant
variable
Author: rikazzz Comment
Dynamics
The quantity of matter possessed by the body is known as
mass
weight
inertia
force
Author: rikazzz Comment
Dynamics
Which of the following material lowers friction when we pushed between metal plates
water
air
oil
fine marble powder
Author: rikazzz Comment

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