Chapter 6, Section 2 B Question Preview (ID: 2900)


Forces In Motion: Newton's Laws Of Motion. TEACHERS: click here for quick copy question ID numbers.

An object at rest tends to remain at rest. This property is called ___.
a) momentum
b) force pairs
c) inertia
d) terminal velocity

A car accelerates from 60 km/h to a constant speed at 80 km/h. The car has increased its ___.
a) momentum
b) terminal velocity
c) inertia
d) force pairs

How much force is needed to accelerate a 70 kg rider and her 200 kg motor scooter at 4 m/s/s?
a) 270 N
b) 280 N
c) 800 N
d) 1,080 N

Newton's third law of motion states that whenever one object exerts a force on a second object, ___.
a) the second object exerts an equal and opposite force on a third object
b) the first object is unaffected by that force
c) the second object exerts an equal and opposite force on the first object
d) the second object exerts a less powerful force on the first object

Newton's third law of motion states that if a force is exerted on an object, another force occurs that ___.
a) is equal in size and opposite in direction
b) is in the same direction and size
c) is equal in speed and opposite in direction
d) is in the same direction and speed

___ do NOT act on the same object.
a) Force pairs
b) Gravitational forces
c) Centripetal forces
d) Inertial forces.

Which one has the MOST momentum?
a) the fully-loaded truck
b) the empty truck
c) the midsize van
d) the small car

Which of the following games uses conservation of momentum?
a) billiards
b) bowling
c) baseball
d) all of the answers

Conservation of momentum is explained by Newton's ___.
a) first law of motion
b) second law of motion
c) third law of motion
d) fourth law of motion

Inertia is used when explaining Newton's ___.
a) first law of motion
b) second law of motion
c) third law of motion
d) fourth law of motion

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