Review For Chapter 11 Test Question Preview (ID: 5698)
Review For Chapter 11 Test On Motion.
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If you divide momentum by velocity, the result is the value of the object's
a) mass
b) speed
c) energy
d) direction
10.0 kg dog chasing a rabbit north at 6.0 m/s has a momentum of
a) .6 kg m/s
b) 60 kg/s
c) 60 m/s
d) 60 kg m/s north
When the velocity of an object changes, it is acted upon by a(n)
a) force
b) deceleration
c) momentum
d) inertia
If the net force on an object is zero then the object has
a) reaction forces
b) unbalanced forces
c) balanced forces
d) action forces
When objects are moved further apart from each other, the force of gravity between them
a) increases
b) decreases
c) stays the same
d) decreases at first then increases
The SI unit of force, named for the scientist who described the relationship between motion and force is called
a) newton
b) einstein
c) curie
d) pasteur
When air resistance balances the weight of an object that is falling, the velocity
a) slowly decreases
b) remains constant
c) rapidly increases
d) none of the above
The weight of an object can be calculated by multiplying mass by
a) distance
b) speed
c) velocity
d) free-fall acceleration
Which object does not have momentum
a) a fish swimming in a pond
b) a feather falling to the ground
c) a rock by the side of the road
d) a boulder rolling down a hill
What is the reaction force when you place a cup on a table
a) The force of the cup on the table
b) The force of the table on the cup
c) The force of gravity on the table
d) The force of gravity on the cup
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