Friction Review #2- Mrs. Ruiz Question Preview (ID: 19069)


Friction Review #2. TEACHERS: click here for quick copy question ID numbers.

Which of these surfaces would have the most friction?
a) Concrete
b) An icy road
c) Wet pavement
d) Aluminum foil

What are the four types of friction?
a) rolling, static, stationary, kinetic
b) sliding, rolling, slipping, static
c) static, rolling, sliding, fluid
d) fluid, statnic, sliding, rolling

Which is not an example of friciton?
a) Your shoe hitting the pavement when you run
b) Jumping up and down on a trampoline
c) Spikes on soccer cleats digging in the grass
d) Brakes against wheels on a car when it stops

Why is it easy to slip on a wet floor?
a) The friction between your feet and the floor change form static to kinetic energy
b) The water increases the friction between your feet and the floor
c) The frcition between your feet and the floor changes from sliding friction to rolling friction
d) The water is a lubricant and reduces the friction between your feet and the floor

Friction is a force that
a) does not exist on smooth surfaces
b) decreases with a larger mass
c) opposes an object's motion
d) does not exist on all rough surfaces

One way to increase friction is to use
a) wax
b) oil
c) sand
d) pebbles

What increases friction?
a) rough surfaces
b) smooth surfaces
c) more speed
d) more surface area

Which surface has the least amount of friction?
a) concrete
b) grass
c) carpet
d) ice

A billiards (pool) player uses chalk to decrease friction. Which type of friction does it minimize?
a) rolling
b) sliding
c) static
d) fluid

What type of friction occurs when you ride a bike through a mud puddle?
a) rolling and sliding friction
b) Fluid and sliding friction
c) Fluid and static friction
d) Rolling and fluid friction

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