Test: Forces and Fields Quiz


Forces and Fields QuizVersion en ligne Test your knowledge on gravitational force, electrostatic force, Coulomb's law, electric field lines, and diagrams. par Eric D Norman 1 What is the force of attraction between two objects due to their masses called? a Gravitational force b Magnetic force c Frictional force d Electrostatic force 2 What is the force between two charged objects called? a Electrostatic force b Gravitational force c Frictional force d Magnetic force 3 For a satellite circling the Earth, if the mass of the satellite was increased how would the gravitational attraction between it and the Earth be affected? a The gravitational attraction would increase. b The gravitational attraction would decrease. c The gravitational attraction would stay the same. d There is no gravitational attraction between the Earth and the Satellite in space. 4 What do electric field lines represent? a The path of magnetic field b The visual representation of the direction and strength of the electric field c The path of charged particles d The path of electric current 5 Two spherical objects have masses of 200 kg and 500 kg. Their centers are separated by a distance of 25 meters. What is the gravitational attraction between them? Written answer 6 What is the relationship between the magnitude of the electric field and the distance from a point charge? a Direct proportionality b Linear relationship c Exponential decay d Inverse square law 7 What is the formula to calculate the electric field strength at a point? a E = q/d b E = Fd c E = Fq d E = F/q 8 What is the strength of the electric field at a point where the electric field lines are close together? a Stronger b Weaker c Irrelevant d Zero 9 Which diagram best represents the directions of the velocity, v, and acceleration, a, of a satellite as it moves in a clockwise, horizontal, circular path at a constant speed? a b c d 10 In the given diagram, Neptune is closer to Uranus than the Sun. However, the Sun gravitation force on Uranus is greater than that of Neptune. Why? Written answer 11 Which of the electric field diagrams represents the difference between a positive and negative charge? a b c d 12 Which of the following equations is used to calculate the attraction due to gravitational force? a E = F/q b F = (G x m1 x m2) / d^2 c F = (k x q1 x q2) / d^2 d F = m x a 13 Which of the following equations is used to calculate the electrostatic force? a E = F/q b F = (G x m1 x m2) / d^2 c F = (k x q1 x q2) / d^2 d F = m x a 14 For the electrostatic force, if the magnitude of each charge in the field was doubled, how would the electrostatic force change? a it would be the same b it would be half as big c it would be twice as big d it would be four times as big 15 The distance between two charges is represented by "d". In which of the following diagrams is the attractive force between the two charges the greatest? a b c d 16 In the following diagram, what will happen to the electrostatic force between the two charges if the distance between them is doubled? a it would be halve b it would stay the same c it would doubled d it would quadruple Feedback 3 Based on the gravitational force equation: Fg = (Gxm1xm2)/d^2 as you increase the mass you increase the gravitational force. 10 The mass of the Sun is an order of magnitude greater than that of Uranus.

1

What is the force of attraction between two objects due to their masses called?

a

Gravitational force

b

Magnetic force

c

Frictional force

d

Electrostatic force

2

What is the force between two charged objects called?

a

Electrostatic force

b

Gravitational force

c

Frictional force

d

Magnetic force

3

For a satellite circling the Earth, if the mass of the satellite was increased how would the gravitational attraction between it and the Earth be affected?

a

The gravitational attraction would increase.

b

The gravitational attraction would decrease.

c

The gravitational attraction would stay the same.

d

There is no gravitational attraction between the Earth and the Satellite in space.

4

What do electric field lines represent?

a

The path of magnetic field

b

The visual representation of the direction and strength of the electric field

c

The path of charged particles

d

The path of electric current

5

Two spherical objects have masses of 200 kg and 500 kg. Their centers are separated by a distance of 25 meters. What is the gravitational attraction between them?

Written answer

6

What is the relationship between the magnitude of the electric field and the distance from a point charge?

a

Direct proportionality

b

Linear relationship

c

Exponential decay

d

Inverse square law

7

What is the formula to calculate the electric field strength at a point?

a

E = q/d

b

E = F*d

c

E = F*q

d

E = F/q

8

What is the strength of the electric field at a point where the electric field lines are close together?

a

Stronger

b

Weaker

c

Irrelevant

d

Zero

9

Which diagram best represents the directions of the velocity, v, and acceleration, a, of a satellite as it moves in a clockwise, horizontal, circular path at a constant speed?

a

b

c

d

10

In the given diagram, Neptune is closer to Uranus than the Sun. However, the Sun gravitation force on Uranus is greater than that of Neptune. Why?

Written answer

11

Which of the electric field diagrams represents the difference between a positive and negative charge?

a

b

c

d

12

Which of the following equations is used to calculate the attraction due to gravitational force?

a

E = F/q

b

F = (G x m1 x m2) / d^2

c

F = (k x q1 x q2) / d^2

d

F = m x a

13

Which of the following equations is used to calculate the electrostatic force?

a

E = F/q

b

F = (G x m1 x m2) / d^2

c

F = (k x q1 x q2) / d^2

d

F = m x a

14

For the electrostatic force, if the magnitude of each charge in the field was doubled, how would the electrostatic force change?

a

it would be the same

b

it would be half as big

c

it would be twice as big

d

it would be four times as big

15

The distance between two charges is represented by "d". In which of the following diagrams is the attractive force between the two charges the greatest?

a

b

c

d

16

In the following diagram, what will happen to the electrostatic force between the two charges if the distance between them is doubled?

a

it would be halve

b

it would stay the same

c

it would doubled

d

it would quadruple

Feedback

3

Based on the gravitational force equation: Fg = (Gxm1xm2)/d^2 as you increase the mass you increase the gravitational force.

10

The mass of the Sun is an order of magnitude greater than that of Uranus.

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Forces and Fields QuizVersion en ligne

par Eric D Norman

What is the force of attraction between two objects due to their masses called?

What is the force between two charged objects called?

For a satellite circling the Earth, if the mass of the satellite was increased how would the gravitational attraction between it and the Earth be affected?

What do electric field lines represent?

Two spherical objects have masses of 200 kg and 500 kg. Their centers are separated by a distance of 25 meters. What is the gravitational attraction between them?

Written answer

What is the relationship between the magnitude of the electric field and the distance from a point charge?

What is the formula to calculate the electric field strength at a point?

What is the strength of the electric field at a point where the electric field lines are close together?

Which diagram best represents the directions of the velocity, v, and acceleration, a, of a satellite as it moves in a clockwise, horizontal, circular path at a constant speed?

In the given diagram, Neptune is closer to Uranus than the Sun. However, the Sun gravitation force on Uranus is greater than that of Neptune. Why?

Written answer

Which of the electric field diagrams represents the difference between a positive and negative charge?

Which of the following equations is used to calculate the attraction due to gravitational force?

Which of the following equations is used to calculate the electrostatic force?

For the electrostatic force, if the magnitude of each charge in the field was doubled, how would the electrostatic force change?

The distance between two charges is represented by "d". In which of the following diagrams is the attractive force between the two charges the greatest?

In the following diagram, what will happen to the electrostatic force between the two charges if the distance between them is doubled?

Feedback