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Q: A body falling freely has:

(a) :  Variable velocity
(b) :  Uniform acceleration
(c) :  Both A and B are correct
(d) :  Variable acceleration
(e) :  None of the Above
Answer:  Both A and B are correct
Explanation:  

Q: The path of the projectile is determined by

(a) :  Magnetic field
(b) :  Electric Field
(c) :  Gravitational field
(d) :  None of these
(e) :  None of the Above
Answer:  Gravitational field
Explanation:  

Q: A train cover 90 km in half an hour. The time taken by it to travel 15 km will be :

(a) :  20 minutes
(b) :  48 minutes
(c) :  10 minutes
(d) :  5 minutes
(e) :  None of the Above
Answer:  5 minutes
Explanation:  

Q: A ball is thrown up vertically above from the ground which then comes down.The time-displacement graph is :

(a) :  A straight line
(b) :  Like that of trajectory of projectile
(c) :  An irregular-shape curve
(d) :  None of these
(e) :  None of the Above
Answer:  Like that of trajectory of projectile
Explanation:  

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