Science

What is the unit for measuring force?

• Second (s)
• Meter (m)
• Newton (N)
• Kilogram (kg)

What is the force called when two things rub together?

• pull
• attraction
• slip
• friction

Air resistance is a type of what?

• Friction

• Electrical conductivity
• Thermal resistance
• Weight measurement

Friction, air resistance and upthrust are what type of forces?

• Magnetic forces
• Gravitational forces
• Nuclear forces
• Contact forces

Which are these is a non-contact force?

• Air resistance

• Upthrust

• Water resistance

• Gravity

Which if these is NOT a non-contact force?

• Magnetism

• Gravity

• Static Electricity

• Friction

What are upward forces from water or air called?

• Air resistence

• Upthurst

• Gravity

• Friction

Forces can push and what else?

• twist
• pull
• twirl
• rotate

What can forces do?

• Change size of an object

• Change the speed of an object

• Change the volume of an object

• Change the direction of an object

What is the amount of substance in your body called?

• mass
• density
• volume
• weight