Types of Force

What type of force is responsible for holding objects to the Earth's surface?

• Gravitational force

• Frictional force

• Magnetic force

• Electrical force

Which type of force opposes the motion of an object when it is in contact with another surface?

• Friction

• Tension

• Repulsion

• Attraction

What type of force is responsible for the attraction or repulsion between objects with magnetic properties?

• Magnetic force

• Electric force

• Gravitational force

• Frictional force

Which force is always attractive in nature?

• Gravitational force

• Frictional force

• Centripetal force

• Electromagnetic force

Frictional force is affected by which of the following factors: A) Surface area B) Mass of the object C) Nature of surfaces D) All of the above

• A) Weight of the object

• C) Color of the object

• D) All of the above

• B) Temperature of the environment

The SI unit of force is:

• Joule (J)

• Meter (m)

• Kilogram (kg)

• Newton (N)

Which type of force is responsible for keeping planets in orbit around the Sun?

• Gravitational force

• Frictional force

• Magnetic force

• Electrostatic force

When two magnets are brought close together, they either attract or repel each other. What type of force is at play here?

• Frictional force

• Gravitational force

• Electric force

• Magnetic force

Which type of force is responsible for the weight of an object?

• Frictional force

• Gravitational force

• Electromagnetic force

• Nuclear force

The force of gravity on Earth is approximately equal to: A) 9.8 m/s^2 B) 6.7 m/s^2 C) 12.5 m/s^2 D) 5.2 m/s^2

• 10.6 m/s^2

• 7.3 m/s^2

• 4.9 m/s^2

• A) 9.8 m/s^2