Gravity&FrictionSSESscience6
Quiz by Dwight Milan
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- Q1
Which has the greatest friction?
wet floor
Sandy floor
Polished floor
120s - Q2
Which of the following statement best describes friction?
It is a force that occurs when surfaces touch each other.
It is a force that occurs only on rough surfaces.
It is a force that occurs between solids.
It is a force that occurs between solids and liquids
120s - Q3
Which shows that friction is undesirable?
using brakes when approaching a stop light
Pushing furniture
Lighting a matchstick
walking on wet floor
120s - Q4
A boy sits on a grassy slope. What force stops him from sliding down?
Gravity
Magnetic
Weight
Friction
120s - Q5
Where is the gravitational force directed as you stand on the floor?
downward
backward
upward
forward
120s - Q6
Which of the following equals the force exerted by the earth on you?
half of your weight
half of your mass
your weight
your mass
120s - Q7
If the mass of the earth is doubled, how much increase would the weight of the objects on the earth be?
doubled
trippled
remains the same
120s - Q8
How distance between two objects affects the pull of gravity?
the greater the distance, the greater the gravitational pull between them
none of these, gravitational pull between them depends on their weights
the lesser the distance, the lesser the gravitational pull between them
the greater the distance, the lesser the gravitational pull between them
120s - Q9
Which is true about mass and gravity?
the lesser the mass of the object, the greater the pull of the gravity
the greater the mass of the object, the lesser the pull of the gravity
the greater the mass of the object, the greater the pull of gravity
120s - Q10
Which of the following shows the presence of friction?
cars stop when the driver steps on the brakes
people stay in place as they move
things fall off on smooth surfaces
120s - Q11
What is the direction of the frictional force that acts on an object moving to the left?
to the left
upward
downward
to the right
120s - Q12
Which of the following statement is not true about friction?
it prevents things from sliding off surfaces
It holds objects that are separated by great distance
it acts upward opposing the pull of gravity
it keeps things that are in contact with each other
120s - Q13
It is the force between any two objects in the universe.
gravity
friction
120s - Q14
The greater the mass of an object, the greater its weight.
truefalseTrue or False120s - Q15
It is a noncontact force.
Motion
Gravity
Friction
120s