Physics Gravity Flashcards

1
Q

What is the formula to calculate weight?

A

Weight = mass × gravitational acceleration

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2
Q

True or False: Weight is the same as mass.

A

False

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3
Q

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

A

9.81

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4
Q

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

A

98.1 N

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5
Q

What unit is weight measured in?

A

Newtons (N)

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6
Q

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

A

C) Volume

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7
Q

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

A

Weight decreases due to lower gravitational acceleration.

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8
Q

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

A

True

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9
Q

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

A

18.55 N

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10
Q

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

A

mass

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11
Q

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

A

B) It doubles

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12
Q

What is the gravitational force experienced by an object called?

A

Weight

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13
Q

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

A

True

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14
Q

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

A

15.3 kg

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15
Q

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

A

m × g

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16
Q

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

A

C) Jupiter

17
Q

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

A

200 N

18
Q

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

A

False

19
Q

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

A

1733.3 N

20
Q

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

A

free fall

21
Q

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

A

B) Weight

22
Q

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

A

117.72 N

23
Q

True or False: Weight is a scalar quantity.

A

True

24
Q

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

A

distance

25
Q

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

A

B) It becomes zero

26
Q

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

A

294.3 N

27
Q

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

A

False

28
Q

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

A

16 N

29
Q

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

A

forces

30
Q

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

A

B) A measure of gravitational force

31
Q

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

A

50 N

32
Q

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

A

True