Question 1

In 6 min a person running at 10 km/h covers a distance of

Accepted Answer

A) 167 m. 
B) 600 m. 
C) 1000 m. 
D) 1667 m. 
A) 167 m. 
B) 600 m. 
C) 1000 m. 
D) 1667 m.

Question 2

A moose weighing 3 kN is standing still.The force the ground exerts on the moose is

Accepted Answer

A) 0. 
B) more than 0 but less than 3 kN. 
C) 3 kN. 
D) more than 3 kN. 
A) 0. 
B) more than 0 but less than 3 kN. 
C) 3 kN. 
D) more than 3 kN.

Question 3

A net horizontal force of 2000 N is applied to an 800-kg car at rest.The car's speed after 5 s will be

Accepted Answer

A) 1.3 m/s. 
B) 2.5 m/s. 
C) 6.25 m/s. 
D) 12.5 m/s. 
A) 1.3 m/s. 
B) 2.5 m/s. 
C) 6.25 m/s. 
D) 12.5 m/s.

Question 4

A ball thrown upward at 30 m/s will reach the ground after about

Accepted Answer

A) 1.0 s. 
B) 2.0 s. 
C) 4.0 s. 
D) 8.0 s. 
A) 1.0 s. 
B) 2.0 s. 
C) 4.0 s. 
D) 8.0 s.

Question 5

A force that gives a 2-kg object an acceleration of 1.6 m/s2 would give an 8-kg object an acceleration of

Accepted Answer

A) 0.2 m/s2. 
B) 0.4 m/s2. 
C) 1.6 m/s2. 
D) 6.4 m/s2. 
A) 0.2 m/s2. 
B) 0.4 m/s2. 
C) 1.6 m/s2. 
D) 6.4 m/s2.

Question 6

Which of the following sets of displacements might be able to return a car to its starting point?

Accepted Answer

A) 2, 8, 10, and 25 km. 
B) 5, 20, 35, and 65 km. 
C) 60, 120, 180, and 240 km. 
D) 100, 100, 100, and 400 km. 
A) 2, 8, 10, and 25 km. 
B) 5, 20, 35, and 65 km. 
C) 60, 120, 180, and 240 km. 
D) 100, 100, 100, and 400 km.

Question 7

A net force of 10 N gives an object an acceleration of 5 m/s2.What net force would give the same object an acceleration of 1 m/s2?

Accepted Answer

A) 1 N. 
B) 2 N. 
C) 5 N. 
D) 50 N. 
A) 1 N. 
B) 2 N. 
C) 5 N. 
D) 50 N.

Question 8

A stone dropped from a cliff reaches the ground in 4 s.The stone's speed is then

Accepted Answer

A) 10 m/s. 
B) 40 m/s. 
C) 196 m/s. 
D) 392 m/s. 
A) 10 m/s. 
B) 40 m/s. 
C) 196 m/s. 
D) 392 m/s.

Question 9

A car moving at 15 m/s comes to a stop in 3 s.Its acceleration is

Accepted Answer

A) -0.2 m/s2. 
B) -5 m/s2. 
C) -15 m/s2. 
D) -45 m/s2. 
A) -0.2 m/s2. 
B) -5 m/s2. 
C) -15 m/s2. 
D) -45 m/s2.

Question 10

A force of 2 N acts on a 2-kg object, initially at rest, for 2 s.During that time the object moves a distance of

Accepted Answer

A) 1 m. 
B) 2 m. 
C) 4 m. 
D) 8 m. 
A) 1 m. 
B) 2 m. 
C) 4 m. 
D) 8 m.

Question 11

The idea that all conclusions about the natural world must be based upon experiment and observation was first emphasized in the work of

Accepted Answer

A) Aristotle. 
B) St.Thomas Aquinas. 
C) Galileo. 
D) Newton. 
A) Aristotle. 
B) St.Thomas Aquinas. 
C) Galileo. 
D) Newton.

Question 12

A ball thrown upward at 30 m/s will continue to rise for about

Accepted Answer

A) 0.5 s. 
B) 1.0 s. 
C) 2.0 s. 
D) 4.0 s. 
A) 0.5 s. 
B) 1.0 s. 
C) 2.0 s. 
D) 4.0 s.

Question 13

A car starts from rest with a constant acceleration of 5 m/s2.How much time does the car take to cover the first 160 m?

Accepted Answer

A) 8 s. 
B) 16 s. 
C) 32 s. 
D) 64 s. 
A) 8 s. 
B) 16 s. 
C) 32 s. 
D) 64 s.

Question 14

After a stone dropped from a cliff has fallen 20 m, the stone's speed is approximately

Accepted Answer

A) 10 m/s. 
B) 20 m/s. 
C) 196 m/s. 
D) 392 m/s. 
A) 10 m/s. 
B) 20 m/s. 
C) 196 m/s. 
D) 392 m/s.

Question 15

Which of the following units could be associated with a vector quantity?

Accepted Answer

A) km/s2. 
B) kg/s. 
C) hours. 
D) m3. 
A) km/s2. 
B) kg/s. 
C) hours. 
D) m3.

Question 16

A stone is thrown upward from a roof at the same time as another, identical stone is dropped from there.The two stones

Accepted Answer

A) reach the ground at the same time. 
B) have the same speed when they reach the ground. 
C) have the same acceleration when they reach the ground. 
D) None of the choices are correct. 
A) reach the ground at the same time. 
B) have the same speed when they reach the ground. 
C) have the same acceleration when they reach the ground. 
D) None of the choices are correct.

Question 17

The minimum number of unequal forces whose vector sum can equal zero is

Accepted Answer

A) 2. 
B) 3. 
C) 4. 
D) 5. 
A) 2. 
B) 3. 
C) 4. 
D) 5.

Question 18

Ball A is thrown horizontally and ball B is thrown upward.

Accepted Answer

A) Ball A has the greater downward acceleration. 
B) Ball B has the greater downward acceleration. 
C) They have the same downward acceleration. 
D) Neither has any downward acceleration. 
A) Ball A has the greater downward acceleration. 
B) Ball B has the greater downward acceleration. 
C) They have the same downward acceleration. 
D) Neither has any downward acceleration.

Question 19

A 3000-kg truck accelerates from 10 m/s to 30 m/s in 8 s.The net force on the truck is

Accepted Answer

A) 765 N. 
B) 7500 N. 
C) 11,250 N. 
D) 15,000 N. 
A) 765 N. 
B) 7500 N. 
C) 11,250 N. 
D) 15,000 N.

Question 20

A bullet is fired upward.As it rises,

Accepted Answer

A) its mass and weight remain the same. 
B) its mass and weight decrease. 
C) its mass remains the same while its weight decreases. 
D) its mass decreases while its weight remains the same. 
A) its mass and weight remain the same. 
B) its mass and weight decrease. 
C) its mass remains the same while its weight decreases. 
D) its mass decreases while its weight remains the same.

In 6 min a person running at 10 km/h covers a distance of

A moose weighing 3 kN is standing still.The force the ground exerts on the moose is

A net horizontal force of 2000 N is applied to an 800-kg car at rest.The car's speed after 5 s will be

A ball thrown upward at 30 m/s will reach the ground after about

A force that gives a 2-kg object an acceleration of 1.6 m/s² would give an 8-kg object an acceleration of

Which of the following sets of displacements might be able to return a car to its starting point?

A net force of 10 N gives an object an acceleration of 5 m/s².What net force would give the same object an acceleration of 1 m/s²?

A stone dropped from a cliff reaches the ground in 4 s.The stone's speed is then

A car moving at 15 m/s comes to a stop in 3 s.Its acceleration is

A force of 2 N acts on a 2-kg object, initially at rest, for 2 s.During that time the object moves a distance of

The idea that all conclusions about the natural world must be based upon experiment and observation was first emphasized in the work of

A ball thrown upward at 30 m/s will continue to rise for about

A car starts from rest with a constant acceleration of 5 m/s².How much time does the car take to cover the first 160 m?

After a stone dropped from a cliff has fallen 20 m, the stone's speed is approximately

Which of the following units could be associated with a vector quantity?

A stone is thrown upward from a roof at the same time as another, identical stone is dropped from there.The two stones

The minimum number of unequal forces whose vector sum can equal zero is

Ball A is thrown horizontally and ball B is thrown upward.

A 3000-kg truck accelerates from 10 m/s to 30 m/s in 8 s.The net force on the truck is

A bullet is fired upward.As it rises,

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Exam 2: Motion

In 6 min a person running at 10 km/h covers a distance of

A moose weighing 3 kN is standing still.The force the ground exerts on the moose is

A net horizontal force of 2000 N is applied to an 800-kg car at rest.The car's speed after 5 s will be

A ball thrown upward at 30 m/s will reach the ground after about

A force that gives a 2-kg object an acceleration of 1.6 m/s2 would give an 8-kg object an acceleration of

Which of the following sets of displacements might be able to return a car to its starting point?

A net force of 10 N gives an object an acceleration of 5 m/s2.What net force would give the same object an acceleration of 1 m/s2?

A stone dropped from a cliff reaches the ground in 4 s.The stone's speed is then

A car moving at 15 m/s comes to a stop in 3 s.Its acceleration is

A force of 2 N acts on a 2-kg object, initially at rest, for 2 s.During that time the object moves a distance of

The idea that all conclusions about the natural world must be based upon experiment and observation was first emphasized in the work of

A ball thrown upward at 30 m/s will continue to rise for about

A car starts from rest with a constant acceleration of 5 m/s2.How much time does the car take to cover the first 160 m?

After a stone dropped from a cliff has fallen 20 m, the stone's speed is approximately

Which of the following units could be associated with a vector quantity?

A stone is thrown upward from a roof at the same time as another, identical stone is dropped from there.The two stones

The minimum number of unequal forces whose vector sum can equal zero is

Ball A is thrown horizontally and ball B is thrown upward.

A 3000-kg truck accelerates from 10 m/s to 30 m/s in 8 s.The net force on the truck is

A bullet is fired upward.As it rises,

The Scientific Method

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe

Filters

A force that gives a 2-kg object an acceleration of 1.6 m/s² would give an 8-kg object an acceleration of

A net force of 10 N gives an object an acceleration of 5 m/s².What net force would give the same object an acceleration of 1 m/s²?

A car starts from rest with a constant acceleration of 5 m/s².How much time does the car take to cover the first 160 m?