Physics Gravity

Question 1

What is the formula to calculate weight?

Answer 1

Weight = mass × gravitational acceleration

Question 2

True or False: Weight is the same as mass.

Answer 2

False

Question 3

Fill in the blank: The acceleration due to gravity on Earth is approximately ____ m/s².

Answer 3

9.81

Question 4

If an object has a mass of 10 kg, what is its weight on Earth?

Answer 4

98.1 N

Question 5

What unit is weight measured in?

Answer 5

Newtons (N)

Question 6

Multiple Choice: Which of the following is NOT a factor affecting weight? A) Mass B) Gravity C) Volume

Answer 6

C) Volume

Question 7

What happens to weight if an object is taken to the Moon?

Answer 7

Weight decreases due to lower gravitational acceleration.

Question 8

True or False: An astronaut weighs less on the Moon than on Earth.

Answer 8

True

Question 9

What is the weight of a 5 kg object on Mars, where gravity is approximately 3.71 m/s²?

Answer 9

18.55 N

Question 10

Fill in the blank: The weight of an object is directly proportional to its ____.

Answer 10

mass

Question 11

Multiple Choice: If an object’s mass doubles, what happens to its weight? A) It halves B) It doubles C) It stays the same

Answer 11

B) It doubles

Question 12

What is the gravitational force experienced by an object called?

Answer 12

Weight

Question 13

True or False: An object’s weight can change depending on its location.

Answer 13

True

Question 14

If an object weighs 150 N on Earth, what is its mass?

Answer 14

15.3 kg

Question 15

Fill in the blank: The formula for gravitational force is F = ____.

Answer 15

m × g

Question 16

Multiple Choice: Which planet has the strongest gravity? A) Mars B) Earth C) Jupiter

Answer 16

C) Jupiter

Question 17

What is the weight of a 20 kg object in a place where gravity is 10 m/s²?

Answer 17

200 N

Question 18

True or False: The weight of an object is constant no matter where it is in the universe.

Answer 18

False

Question 19

If a person has a mass of 70 kg, what is their weight on Jupiter (gravity = 24.79 m/s²)?

Answer 19

1733.3 N

Question 20

Fill in the blank: An object in free fall experiences weightlessness because it is in a state of ____.

Answer 20

free fall

Question 21

Multiple Choice: Which of the following increases when moving to a planet with higher gravity? A) Mass B) Weight C) Volume

Answer 21

B) Weight

Question 22

What is the weight of an object with a mass of 12 kg on Earth?

Answer 22

117.72 N

Question 23

True or False: Weight is a scalar quantity.

Answer 23

True

Question 24

Fill in the blank: The gravitational force between two objects depends on their masses and the ____ between them.

Answer 24

distance

Question 25

Multiple Choice: What will happen to an object's weight if it is moved to a location with zero gravity? A) It becomes negative B) It becomes zero C) It stays the same

Answer 25

B) It becomes zero

Question 26

If a 30 kg object is placed on a scale on Earth, what will the scale read?

Answer 26

294.3 N

Question 27

True or False: The weight of an object can be measured using a balance scale.

Answer 27

False

Question 28

What is the weight of a 2 kg object in a gravitational field of 8 m/s²?

Answer 28

16 N

Question 29

Fill in the blank: The concept of weight is essential for understanding ____ in physics.

Answer 29

forces

Question 30

Multiple Choice: Which of the following best describes weight? A) A measure of mass B) A measure of gravitational force C) A measure of density

Answer 30

B) A measure of gravitational force

Question 31

If an object weighs 200 N on Earth, what would its weight be on a planet where gravity is 5 m/s²?

Answer 31

50 N

Question 32

True or False: An object with a mass of 0 kg has a weight of 0 N.

Answer 32

True