Motion And Force Review Question Preview (ID: 12407)


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What is the name of Newton's first law of motion?
a) law of inertia
b) law of acceleration
c) law of objects at rest
d) law of opposing forces

What is friction?
a) the opposite of inertia
b) the opposing force of gravity
c) an opposing force between two objects
d) a force that keeps objects moving in a straight line

Complete this sentence: Objects at rest tend to
a) remain at rest
b) create friction
c) change direction
d) move in a straight line

An object stays at rest until what happens to it?
a) inertia releases it.
b) gravity overcomes friction
c) friction builds up and moves the object
d) an outside or unbalanced force acts upon the object

What is the formula for force?
a) Force= mass X velocity
b) Force= mass X acceleration
c) Force= mass/acceleration
d) Force= acceleration/mass

What does Newton's second law of motion describe?
a) intertia
b) an action causing a reaction
c) the relationship between force, mass, and acceleration
d) an outside force stopping or changing an object's speed or direction

How much force is needed to accelerate a 2000-kg at 5 meters per second per second?
a) 400 N
b) 500 N
c) 1000 N
d) 10000N

What is the unit of acceleration?
a) m/s
b) m/s/s
c) m2/s
d) kg (m/s)

When friction is involved, what can an outside force do to a moving object?
a) nothing
b) change the object's speed only
c) change the object's direction only
d) change the objects speed or direction

What is acceleration?
a) change in velocity/change in time
b) change in distance/ change in time
c) change in mass/change in volume
d) change in pressure/ change in time

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