Gravitational field - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 2010

An object is weighted at different locations on the earth. What will be the right observation?

A. Both the mass and weight are constant
B. Both the mass and weight vary
C. The mass is constant while the weight varies
D. The weight is constant while the mass varies

Question 17:

• JAMB 2011

A man standing on a lift that is descending does not feel any weight because

A. The inside of the lift is air tight
B. The lift is in vacuum
C. There is no reaction from the floor of the lift
D. There is no gravitational pull on the man in the lift

Question 18:

• JAMB 2011

A man standing on a lift that is descending does not feel any weight because

A. The inside of the lift is air tight
B. The lift is in vacuum
C. There is no reaction from the floor of the lift
D. There is no gravitational pull on the man in the lift

Question 19:

• JAMB 2012

I. The earth is not spherical but elliptical in shape
II. Variation in latitude and longitude
III. Rotation of the earth on its axis
IV. Variation in the density of the earth
On which combination of the above does the weight of an object vary on the earth's surface?

A. I, II, III and IV
B. II, III and IV only
C. I, II and III only
D. I and II only

Question 20:

• JAMB 2013

When a brick is taken from the earth's surface to the moon, its mass

A. Remains constant
B. Reduces
C. Increases
D. Becomes zero