Question 1

A roller-coaster ride with 6 passengers takes 3 minutes. Neglecting friction, a similar ride with 12 passengers aboard would take

Accepted Answer

A) 1)5 minutes. 
B) 3 minutes. 
C) 6 minutes. 
D) 18 minutes. 
A) 1)5 minutes. 
B) 3 minutes. 
C) 6 minutes. 
D) 18 minutes.

Question 2

The first scientist to be credited for postulating that Earth circled the Sun was

Accepted Answer

A) Aristotle. 
B) Copernicus. 
C) Galileo. 
D) Newton. 
A) Aristotle. 
B) Copernicus. 
C) Galileo. 
D) Newton.

Question 3

Tension is actually a force that tends to

Accepted Answer

A) stretch something. 
B) compress something. 
C) break something. 
D) balance something. 
A) stretch something. 
B) compress something. 
C) break something. 
D) balance something.

Question 4

A parallelogram is a four-sided figure with opposite sides that are

Accepted Answer

A) equal. 
B) parallel. 
C) at right angles. 
D) none of the above 
A) equal. 
B) parallel. 
C) at right angles. 
D) none of the above

Question 5

An object in mechanical equilibrium is an object

Accepted Answer

A) moving with constant velocity. 
B) having no changes in velocity. 
C) at rest. 
D) all of the above 
A) moving with constant velocity. 
B) having no changes in velocity. 
C) at rest. 
D) all of the above

Question 6

A package falls off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is

Accepted Answer

A) zero. 
B) less than 30 m/s but more than zero. 
C) about 30 m/s. 
D) more than 30 m/s. 
A) zero. 
B) less than 30 m/s but more than zero. 
C) about 30 m/s. 
D) more than 30 m/s.

Question 7

Weigh yourself on a weighing scale and the scale shows your normal weight. If you carefully stand on tiptoes, the scale reading will be

Accepted Answer

A) slightly more. 
B) slightly less. 
C) about half as much. 
D) no different. 
A) slightly more. 
B) slightly less. 
C) about half as much. 
D) no different.

Question 8

While you are standing in the aisle of a bus, the driver suddenly makes a left turn. You lurch to the right due to

Accepted Answer

A) an unbalanced force. 
B) your tendency to keep moving forward. 
C) an equilibrium challenge. 
A) an unbalanced force. 
B) your tendency to keep moving forward. 
C) an equilibrium challenge.

Question 9

When you quickly jerk a cart forward that has a ball resting in the middle, the

Accepted Answer

A) front of the cart hits the ball. 
B) back of the cart hits the ball. 
C) neither, for the ball rides along in the middle as the cart moves forward. 
D) All of the above depending on how quickly the cart is pulled. 
A) front of the cart hits the ball. 
B) back of the cart hits the ball. 
C) neither, for the ball rides along in the middle as the cart moves forward. 
D) All of the above depending on how quickly the cart is pulled.

Question 10

When a rocket ship gaining speed in outer space runs out of fuel, it

Accepted Answer

A) gains speed for a short time, then slows down to a constant velocity. 
B) gains speed for a short time, slows down, and eventually stops. 
C) no longer gains speed. 
A) gains speed for a short time, then slows down to a constant velocity. 
B) gains speed for a short time, slows down, and eventually stops. 
C) no longer gains speed.

Question 11

The first scientist to introduce the concept of inertia was

Accepted Answer

A) Aristotle. 
B) Galileo. 
C) Newton. 
D) Copernicus. 
A) Aristotle. 
B) Galileo. 
C) Newton. 
D) Copernicus.

Exam 2: Newtons First Law of Motion: Inertia

A roller-coaster ride with 6 passengers takes 3 minutes. Neglecting friction, a similar ride with 12 passengers aboard would take

The first scientist to be credited for postulating that Earth circled the Sun was

Tension is actually a force that tends to

A parallelogram is a four-sided figure with opposite sides that are

An object in mechanical equilibrium is an object

A package falls off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal speed of the package just before it hits the ground is

Weigh yourself on a weighing scale and the scale shows your normal weight. If you carefully stand on tiptoes, the scale reading will be

While you are standing in the aisle of a bus, the driver suddenly makes a left turn. You lurch to the right due to

When you quickly jerk a cart forward that has a ball resting in the middle, the

When a rocket ship gaining speed in outer space runs out of fuel, it

The first scientist to introduce the concept of inertia was

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