11-3 Quiz

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1 point

The friction between objects that are stationary is called

fundamental friction

kinetic friction

static friction

rolling friction

1 point

Using lubricants on engine parts is an example of reducing

friction

motion

force

acceleration

1 point

Net force is

the force acting in the same direction as an object’s movement

the combination of all the forces acting on an object

the force acting in the opposite direction of an object’s movement

the force of gravity pulling an object down

1 point

A game of tug-of-war is an example of

air resistance

unbalanced forces

rolling friction

streamlining

1 point

Which is NOT an example of sliding friction?

ice skating on a frozen pond

rolling a ball across a desk

taking notes with a pencil

pushing a book across a table

1 point

Which is an example of static friction?

driving a car up a hill

braking a car going down a hill

pulling a skier behind a boat

pushing a box that is at rest

1 point

In order to increase a car's speed, the force pushing it forward must be

equal to the force of friction

rolling friction

greater than the force of friction

a negative force

1 point

An object experiencing balanced forces

is speeding up

is slowing down

stops moving

has a net force of zero

1 point

Which of the following requires friction?

cleaning a pan

writing a letter

skiing

all of the above

10.

1 point

Which is an example of helpful friction?

wearing batting gloves

sprinkling sand on an icy road

applying the brakes on a car

all of the above

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