Forces - introduction KS3

What units are forces measured in?

• Newtons (N)

• Kilograms (kg)

• Joules (J)

• Meters (m)

What type of force acts when two objects are physically touching each other?

• Non-contact force

• Contact force

• Magnetic force

• Gravitational force

How are forces represented in diagrams?

• With arrows

• With numbers

• With dots

• With letters

What does a resultant force of zero indicate about an object's motion?

• The object will change direction

• The object will accelerate

• The object will slow down

• The object will either remain stationary or keep moving at the same speed

Which force acts against an object as it travels through air?

• Friction

• Tension

• Gravitational

• Air resistance

What type of force is friction?

• A non-contact force

• A magnetic force

• A contact force

• An upthrust force

Which force pulls an object towards other objects with mass?

• Magnetic

• Tension

• Gravitational

• Thrust

What is the force called that is produced by magnets?

• Frictional force

• Reaction force

• Gravitational force

• Magnetic force

What type of force allows objects to float?

• Friction

• Magnetic

• Gravitational

• Upthrust

Which force is responsible for keeping planets in orbit around the sun?

• Magnetic force

• Gravitational force

• Electrostatic force

• Frictional force