Science Quiz

What are the units of weight? Weight is a force so it’s measured in ______.

• Newtons (N)
• Kilograms (Kg)

• Pounds (lbs)

• Pascals (Pa)

Earth’s gravity is 9.8m/s^2: If my mass is 85 kg, then my weight on Earth is ______.

If my weight changes due to gravity, my mass is always ______!

• Higher

• Lower

• The same

• Changing

What is the gravitational acceleration on Saturn if 70 kg weighs 784 N? (Use the formula W = mg)

• 11.2 m/s^2

• 54,880 m/s^2

• 0.089m/s^2

• 854m/s^2

What is the gravitational acceleration on Neptune if 70 kg weighs 931 N? (Use the formula \( W = mg \))

What happens when the Drive force is greater than Friction and Drag?

What happens when Drive is equal to Friction and Drag?

What happens when Drag and Friction are greater than the Drive?

What are the four forces that act on a aeroplane in mid-flight?

• Mass

  Thrust

  Weight

  Drag

• Thrust

  Weight

  Buoyancy

  Lift

• Lift

  Thrust

  Drag

  Mass

• Thrust

  Lift

  Weight

  Drag

What are the four forces acting on a boat moving through the water?

• Buoyancy

  Lift

  Thrust

  Weight

• Thrust

  Propulsion

  Buoyancy

  Drag

• Thrust

  Buoyancy

  Drag

  Weight

• Weight

  Lift

  Upthrust

  Mass