Physics Gravity Flashcards
What is the formula to calculate weight?
Weight = mass × gravitational acceleration
True or False: Weight is the same as mass.
False
Fill in the blank: The acceleration due to gravity on Earth is approximately ____ m/s².
9.81
If an object has a mass of 10 kg, what is its weight on Earth?
98.1 N
What unit is weight measured in?
Newtons (N)
Multiple Choice: Which of the following is NOT a factor affecting weight? A) Mass B) Gravity C) Volume
C) Volume
What happens to weight if an object is taken to the Moon?
Weight decreases due to lower gravitational acceleration.
True or False: An astronaut weighs less on the Moon than on Earth.
True
What is the weight of a 5 kg object on Mars, where gravity is approximately 3.71 m/s²?
18.55 N
Fill in the blank: The weight of an object is directly proportional to its ____.
mass
Multiple Choice: If an object’s mass doubles, what happens to its weight? A) It halves B) It doubles C) It stays the same
B) It doubles
What is the gravitational force experienced by an object called?
Weight
True or False: An object’s weight can change depending on its location.
True
If an object weighs 150 N on Earth, what is its mass?
15.3 kg
Fill in the blank: The formula for gravitational force is F = ____.
m × g
Multiple Choice: Which planet has the strongest gravity? A) Mars B) Earth C) Jupiter
C) Jupiter
What is the weight of a 20 kg object in a place where gravity is 10 m/s²?
200 N
True or False: The weight of an object is constant no matter where it is in the universe.
False
If a person has a mass of 70 kg, what is their weight on Jupiter (gravity = 24.79 m/s²)?
1733.3 N
Fill in the blank: An object in free fall experiences weightlessness because it is in a state of ____.
free fall
Multiple Choice: Which of the following increases when moving to a planet with higher gravity? A) Mass B) Weight C) Volume
B) Weight
What is the weight of an object with a mass of 12 kg on Earth?
117.72 N
True or False: Weight is a scalar quantity.
True
Fill in the blank: The gravitational force between two objects depends on their masses and the ____ between them.
distance
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
B) It becomes zero
If a 30 kg object is placed on a scale on Earth, what will the scale read?
294.3 N
True or False: The weight of an object can be measured using a balance scale.
False
What is the weight of a 2 kg object in a gravitational field of 8 m/s²?
16 N
Fill in the blank: The concept of weight is essential for understanding ____ in physics.
forces
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
B) A measure of gravitational force
If an object weighs 200 N on Earth, what would its weight be on a planet where gravity is 5 m/s²?
50 N
True or False: An object with a mass of 0 kg has a weight of 0 N.
True