(A) 9.8 m
(B) 2 x 9.8 m
(C) 3 x 9.8 m
(D) 4 x 9.8 m
Tag: Physics Mcq
The correct statement from the following is:
(A) A body having zero velocity will not necessarily have zero acceleration
(B) A body having zero velocity will necessarily have zero acceleration
(C) A body having uniform speed can have only uniform acceleration.
(D) A body having non-uniform velocity will have zero acceleration
Nine five-rupee coins are put on top of each other on a table. Each coin has a mass m kg. The reaction of the 5th coin (counted from bottom) on 6th coin is:
(A) 0 mg
(B) 2 mg
(C) 4 mg
(D) 5 mg
Three particles of masses 1 g, 2g and 3g are dropped from different heights of 1m, 2m and 3m respectively, Now,:
(A) Particle of mass 1 g has maximum acceleration
(B) Particle of mass 2 g has maximum acceleration
(C) Particle of mass 3 g has maximum acceleration
(D) All the particles have equal acceleration
If a body moving in a circular path with constant speed then the:
(A) Velocity and acceleration are perpendicular to each other
(B) Velocity and acceleration are parallel to each other
(C) Velocity and acceleration are anti-parallel
(D) Both have zero magnitude
Two bodies are thrown vertically upwards with their initial speeds in the ratio 2:3. The ratio of the maximum heights attained by them is:
(A) 4:9
(B) Pie S
(C) 2 Pie S
(D) 3 Pie S
A man is at rest in the middle of a horizontal plane of perfectly smooth ice. He can move himself to the shore by making use of Newton’s:
(A) All the laws
(B) First law
(C) third law
(D) second law
Which of the following statement is true:
(A) Action reaction are equal in magnitude and balance each other
(B) Action reaction are equal and opposite but never balance
(C) Action reaction are equal and in same direction
(D) None of these