5. Which is true about mass and gravity?
the lesser the mass of the object, the greater the pull of gravity
a.
b. the greater the mass of the object, the lesser the pull of gravity
the greater the mass of the object, the greater the pull of gravity
d. none of these, gravity and mass are not related
6. What is the direction of the frictional force that acts on an object moving to the left?
a. upward
C. to the right
b. downward
d. to the left also
7. Which of the following statements is not true about friction?
it acts upward opposing the pull of gravity
b. it prevents things from sliding off surfaces
c. it keeps things that are in contact with each other
d. it holds objects that are separated by great distance
a.
8. Where is the gravitational force directed when you are holding a glass?
a. upward
c. into the glass
b. downward
d. away from the glass
9. If the mass of the Earth is doubled, how much increase would the weight of the objects on
earth be?
a. halved
C. thrice
b. doubled
d. remains the same​​