Gravity&FrictionSSESscience6

Quiz by Dwight Milan

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25 questions
• 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?

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.

true
false
True or False
120s
• Q15

It is a noncontact force.

Motion

Gravity

Friction

120s

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