A
1. What is a force?
A. Energy transferred to an object
B. A push or a pull on an object
C. The speed of an object
D. The mass of an object
B. A push or a pull on an object
Which force keeps the Moon in orbit around the Earth?
A. Magnetic force
B. Electrostatic force
C. Gravitational force
D. Frictional force
C. Gravitational force
What is the SI unit of force?
A. kg
B. N
C. J
D. m
B. N
What is the SI unit of mass?
A. N
B. kg
C. g
D. J
B. kg
What is a field?
A. A large open area of land
B. A region where an object experiences a force without contact
C. A type of energy
D. A unit of force
B. A region where an object experiences a force without contact
Which of the following is an example of a field of force?
A. Gravitational field
B. Electric field
C. Magnetic field
D. All of the above
D. All of the above
A gravitational field is a region where:
A. Objects become heavier.
B. Objects experience a gravitational force.
C. Objects move in straight lines.
D. Objects lose mass.
B. Objects experience a gravitational force.
Gravitational field strength is defined as:
A. Force × mass
B. Force ÷ mass
C. Mass ÷ force
D. Force × distance
B. Force ÷ mass
The SI unit of gravitational field strength is:
A. kg
B. N kg⁻¹
C. J
D. N
B. N kg⁻¹
Betty Botter bought some butter, but she said the butter's bitter.
say 6 times continuously without making mistakes,
6 x 50
How much wood would a woodchuck chuck if a woodchuck could chuck wood?
say 6 times continuously without mistakes
6 x 50
If a 4 kg object experiences a gravitational force of 20 N, what is the gravitational field strength?
A. 4 N kg⁻¹
B. 5 N kg⁻¹
C. 20 N kg⁻¹
D. 80 N kg⁻¹
B. 5 N kg⁻¹
Which quantity is the same for all objects at the same location?
A. Weight
B. Mass
C. Gravitational field strength
D. Gravitational force
C. Gravitational field strength
Gravitational field lines always point:
A. Away from the Earth
B. Towards the Earth
C. Sideways
D. Upwards
B. Towards the Earth
The closer the field lines are together, the:
A. Weaker the field
B. Stronger the field
C. Smaller the object
D. Greater the mass of the object in the field
B. Stronger the field
Which diagram correctly represents the gravitational field around the Earth?
A. Arrows pointing away from Earth
B. Circular arrows around Earth
C. Radial arrows pointing towards Earth
D. Parallel arrows pointing upwards
C. Radial arrows pointing towards Earth