When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
(A) Centripetal force
(B) Gravitational force
(C) Their inertia
(D) Centrifugal force
The collision between two bodies be elastic if bodies are_________________?
(A) solid and soft
(B) soft and elastic
(C) solid and hard
(D) hard and elastic
Which of the following pair has same direction always ?
(A) force, displacement
(B) force, velocity
(C) force, acceleration
(D) force, momentum
3rd law of motion explains______________________?
(A) effect of force
(B) existence of a force
(C) existence of two forces
(D) existence of pair of forces in nature
1st law of motion gives the definition of _________________________?
(A) rest
(B) motion
(C) velocity
(D) force
Inertia of an object is quantitative measure of its__________________?
(A) volume
(B) density
(C) mass
(D) temperature
Instantaneous and average velocities become equal when body___________________?
(A) has zero acceleration
(B) has uniform acceleration
(C) has variable acceleration
(D) moves in a circle
Area under velocity time graph represent_____________________?
(A) force
(B) displacement
(C) distance
(D) acceleration
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
(A) 10m/s
(B) 36m/s
(C) zero
(D) infinite