Lesson 4.5.1.3
4.5.1.3 Gravity Quiz: AQA Physics, Unit 5
20 questions
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Lesson 4.5.1.3, Gravity: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 5: Forces, written with Revision Ninja.
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The 20 questions
-
What is weight defined as?
- Inertial resistance
- Gravitational force
- Amount of matter
- Scalar mass
-
What is the standard unit used to measure weight?
- Joules, J
- Kilograms, kg
- Newtons, N
- Metres per second, m/s
-
Which equation correctly relates weight, mass, and gravitational field strength?
- W = mg
- W = m + g
- W = g / m
- W = m / g
-
What is the weight of a 5 kg object in a gravitational field of 10 N/kg?
- 50 N
- 5 N
- 0.5 N
- 15 N
-
What is the weight of a 2.0 kg object where g = 9.8 N/kg?
- 196 N
- 2.0 N
- 19.6 N
- 4.9 N
-
Why is an object's weight smaller on the Moon than on Earth?
- Lower gravitational field strength
- Higher atmospheric pressure
- Absence of magnetic field
- Smaller object mass
-
What is the relationship between the mass and weight of an object at a given place?
- Inversely proportional
- Unrelated
- Directly proportional
- Exponential
-
Which symbol shows that two quantities are directly proportional?
- =
- ≠
- ∝
- ≈
-
Which instrument is used to measure weight?
- Ruler
- Top-pan balance
- Newtonmeter
- Micrometer
-
At which single point can the weight of an object be considered to act?
- Base surface
- Centre of mass
- Lightest point
- Geometric edge
-
What causes the force of gravity close to the Earth?
- Gravitational field
- Electric field
- Magnetic field
- Atmospheric pressure
-
A 60 kg astronaut is on a planet where g = 3.7 N/kg. What is her weight?
- 63.7 N
- 16.2 N
- 2220 N
- 222 N
-
An object of mass 1.5 kg has a weight of 15 N. What is the gravitational field strength?
- 22.5 N/kg
- 10 N/kg
- 0.1 N/kg
- 1.5 N/kg
-
If the mass of an object doubles at the same place, its weight:
- Quadruples
- Halves
- Doubles
- Stays the same
-
A spring-balance reads 49 N for an object on Earth where g = 9.8 N/kg. What is the mass of the object?
- 480 kg
- 5 kg
- 0.2 kg
- 49 kg
-
What is the correct unit for measuring weight?
- Joules
- Grams
- Kilograms
- Newtons
-
Why must gravitational field strength be provided in weight calculations?
- It varies with location
- It depends on speed
- It depends on mass
- It is always constant
-
What effect does the Earth's gravitational field produce close to its surface?
- Air resistance
- Electrostatic charge
- Force of gravity
- Magnetic repulsion
-
Which object has the greater weight: 4 kg on a planet where g = 2.5 N/kg, or 12 kg on Earth where g = 10 N/kg?
- Both equal
- Cannot be determined
- Object A
- Object B
-
A 3 kg object has a weight of 30 N at one location. What would its weight be where g = 5 N/kg?
- 15 N
- 60 N
- 30 N
- 6 N
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