Year 8 Forces and Energy Revision

What is the unit used for measuring energy?

• Kilogram

• Joule

• Newton

• metre

Which of the following can be used to measure length?

• Ruler

• Meter Stick

• Trundle Wheel

• Measuring cylinder

Which of the following is the correct statement?

• Mass is how much matter is in an object, measured in Newtons

• Weight is the force of an object due to gravity, measured in Newtons

• Mass is how much matter is in an object, measured in Joules

• Weight is the force of an object due to gravity, measured in kilograms.

Tags

NGSS.MS-PS2-4

An opposing force created when an object moves through air is called

• weight

• air resistance

• thrust

• upthrust

A force created by gravity attracting an object is called

• weight

• air resistance

• thrust

• upthrust

Tags

NGSS.MS-PS2-4

Magnetic field direction is ...

• North to South

• South to North

Tags

NGSS.MS-PS2-3

• The box will move with a resultant force of 4N to the left.

• The box will move with a resultant force of 10N to the right.

• The box will move with a resultant force of 6N to the left.

• The box will move with a resultant force of 6N to the right.

• The box will not move.

Tags

NGSS.MS-PS2-2

• The box will move with a resultant force of 10N to the left.

• The box will move with a resultant force of 20N to the left.

• The box will move with a resultant force of 10N to the right.

• The box will not move.

Tags

NGSS.MS-PS2-2

• The box will move with a resultant force of 10N to the left

• The box will move with a resultant force of 5N to the right.

• The box will move with a resultant force of 20N to the left

• The box will not move.

Tags

NGSS.MS-PS2-2

Which two forces need to balance in order for an object to float?

• Thrust and drag

• Weight and thrust

• Weight and upthrust

• Weight and drag