8th Physical SLO Review 2 Question Preview (ID: 33946)


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Newton's first law of motion states that an object remains at rest unless a ___ force acts on it.
a) Net
b) Balanced
c) Gravitational
d) Frictional

Air resistance___ as you move faster
a) Increases
b) Decreases
c) Stays the same
d) Disappears

Whenever a body is in motion there is always ___ to oppose it.
a) Friction
b) Inertia
c) Gravity
d) Acceleration

The relationship between mass, force, and acceleration is found in...
a) Newton's 2nd law
b) Newton's 1st law
c) Newton's 3rd law
d) The law of conservation of momentum

According to Newton's 2nd law of motion force equals...
a) Mass times acceleration
b) Mass divided by acceleration
c) Force divided by mass
d) Mass plus acceleration

The statement for every action there is an equal and opposite reaction is a statement of...
a) Newton's 3rd law
b) Newton's 1st law
c) Newton's 2nd law
d) Law of conservation of momentum

Which of the fowling is an example of work not being done?
a) The moon orbiting the earth
b) Pushing a box up a hill
c) Pushing a sled across snow
d) lifting a book bag off the floor

The rate at which work is done is called...
a) Power
b) Force
c) Efficiency
d) Effort time

A winding mountain road is an example of...
a) Inclined plane
b) Lever
c) Wedge
d) Wheel and Axle

3 of the following simple machines are basically the same. The one that does NOT belong is...
a) Wheel and axle
b) Wedge
c) Lever
d) Pully

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