Trivia Questions Quiz: Can You Pass This Toughest Physics Test?

______ : The most fundamental of the physical sciences

______ : Displacement/travel time

______ : Velocity at an instand of time

______ : Directed toward the center of a circular motion

______ : Actual path length

______ : Straight-line directed distance

______ : A continuous change of position

______ : Time rate of change of velocity

______ : Has magnitude and direction

______ : Motion soley under the influence of gravity

______ : Motion of a thrown object

______ : Speed at an instant of time

______ : The location of an object

______ : 9.8 m/s^2

______ : Distance traveled/travel time

______ : Differences between final and initial velocities divided by time

______ : Zero acceleration in free-fall

An object is in motion when it undergoes a continuous change of ___________.

Speed is a(n) ___________ quantity.

Velocity is a(n) ___________ quantity.

___________ is the actual path length.

A car's speedometer reads instantaneous ___________.

Speed and direction do not change for a(n) ___________ velocity.

The distance traveled by a moving object increases as t^2 for a constant ___________.

The metric units associated with acceleration are ___________.

An object in uniform circular motion has a constant ___________.

If the speed of one object in uniform circular motion is three times that of another such object (same radius), then its centripetal acceleration is ___________ times grater.

Neglecting air resistance, a horizontally thrown object and an onject dropped from the same height fall with the same constant ___________.

Which one of the following describes an object in motion?

• A period of time has passed.

• Its position is known.

• It is continuously changing position.

• It has reached its final position.

What is necessary to designate a position?

• Fundamental units

• Motion

• A direction

• A reference point

Which one of the following is true for a deceleration?

• The velocity remains constant.

• The acceleration is negative.

• The acceleration is in the direction opposite to the velocity.

• The acceleration is zero.

Unlike scalars, vectors have which of the following?

• Magnitude

• Units

• Position

• Direction

For a constant linear acceleration, what changes uniformly?

• Acceleration

• Velocity

• Distance

• Displacement

Which one of the following does NOT have units of m/s?

• Average speed

• Average acceleration

• Average velocity

• Terminal velocity

If the speed of an onject in uniform circular motion is doubled and the radial distance remains constant, then the magnitude of the centripetal acceleration increases by what factor?

• 2

• 3

• 4

• 6

In the absence of air resistance, a projectile launched at an angle of 28* above the horizontal will have the same range as a projectile launched at which of the following angles?

• 45*

• 57*

• 62*

• 180* - 33* = 147*

Neglecting air resistance, which of the following is true for a ball thrown at an angle 0 to the horizontal?

• It has a constant velocity in the x direction.

• It has a constant acceleration in the - y direction.

• It has a changing celocity in the + y direction.

• All of the preceding are true.