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Phillips - Forces
Phillips - Forces
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AP Physics 1, High School physics, Newton's Laws (Forces and Motion)
Flashcards
13 cards
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Questions
13
Answers
1
A man standing in an elevator that accelerates upwards...
experiences no normal force
experiences greater Normal force than gravity
has zero net force acting on them
Experiences a net force downward
2
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is less the cart's weight
is equal to T
is equal to the cart's weight
Is greater than the cart's weight
3
A man standing in an elevator moving with constant speed upwards...
has zero net force acting on them
experiences greater Normal force than gravity
Experiences a net force
experiences less Normal force than gravity
4
A block rests on an inclined surface as shown. What is the net force on the block?
Equal to force of Friction
0
Equal to force of Gravity
Equal to the x-component of the force of Gravity
5
Which of the following forces exists between objects in the absence of direct physical contact?
fundamental force
frictional force
field force
contact force
6
Compare magnitudes of normal force to gravitational force.
gravity is only greater than normal if it slides
Normal force = weight
Normal force > weight
Normal Force < Weight
7
When a car slams its brakes, occupants lunge forward because
They had inertia
They had a net force forward
The force forward was inertia
the car was old
8
After hitting an air-hockey puck on a FRICTIONLESS surface, it will ___
increase its inertia
move with constant velocity
move with increasing velocity
experience a net force
9
If a nonzero net force is acting on an object, then the object is definately
speeding up
being accelerated
losing mass
moving with constant velocity
10
This force opposes the motion of an object.
Gravitational force
Frictional force
Normal force
Tension force
11
A projectile baseball after it reaches maximum height
has a net force acting on it
looks like a cube
is accelerating more rapidly than it did on the way up
has no net force acting on it
12
This force is always drawn perpendicular and away from a surface.
Tension force
Gravitational force
Normal force
Frictional force
13
Which graph correctly depicts Newton's 2nd Law for a constant force applied to varied masses?
B) because mass is inversely related to acceleration
A) because mass is directly related to acceleration
None. Neither graph concurs with Newton's 2nd Law
A) because the relation is linear
