no gravity
5. Which is true about mass and gravity?
a. the lesser the mass of the object, the greater the pull of gravity
b. the greater the mass of the object, the lesser the pull of gravity
C.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
to the right
b. downward
d. to the left also
C.
a.
С.
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
it keeps things that are in contact with each other
d. it holds objects that are separated by great distance
8. Where is the gravitational force directed when you are holding a glass?
a. upward
into the glass
b. downward
d. away from the glass
C.
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
10. A deliveryman uses a wooden ramp when he delivers thus, packages do not slide off easily
making his work take longer. What would be the best way to make the packages slide easily?
a. make his wooden ramp wider
b. use water on his wooden ramp
use a sandpaper to polish and smoothen his ramp
d. make his wooden ramp narrower
​