Forces Review 2 Question Preview (ID: 36021)


Middle School. TEACHERS: click here for quick copy question ID numbers.

An example of rolling friction is ______
a) using oil as a lubricant
b) wheels on your skateboard
c) dragging your sister across the floor on a blanket
d) the little mermaid swimming through the ocean

_____ is a force caused by objects rubbing together that slows moving objects down
a) gravity
b) momentum
c) friction
d) inertia

_____ is the measure of the pull of gravity on objects
a) gravity
b) volume
c) weight
d) mass

______ is the measure of how much matter an object has
a) weight
b) gravity
c) mass
d) speed

The unit for mass is the _____
a) kilogram
b) newton
c) meter
d) m/sec2

What is the mass of an object if a force of 136 N produces an acceleration of 4 m/sec2?
a) 544 N
b) 544 kg
c) 34 N
d) 34 kg

The force that pulls objects downhill is _____
a) slope
b) wind
c) gravity
d) friction

____ is the measure of the force of gravity on an object
a) mass
b) weight
c) density
d) equation

Who discovered gravity?
a) Edwin Hubble
b) Isaac Newton
c) Thomas Jefferson
d) Albert Einstein

The unit for distance is the ____
a) kilogram
b) newton
c) meter
d) m/sec2

Gravity on the moon is ____ gravity on Earth
a) less than
b) greater than
c) equal to
d) the same as

A 4300 N force causes a 20 kg object to accelerate. What is its acceleration?
a) 215 m/sec2
b) 86,000 m/sec2
c) 86,000 m/sec
d) 215 m/sec

What kind of friction makes it difficult to move an object?
a) kinetic friction
b) static friction
c) rolling friction
d) sliding friction

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