Forces Revision

What are forces measured in?

• kilograms

• newtons

• centimetres

• litres

Which two of the following forces need to be stronger than the forces directly opposing them for the plane to take off?

• lift

• thrust

• weight

• drag

What is a dependent variable?

• Something changed by the scientist in an experiment

• Something which relies on the independent variable and can be altered in an experiment, based on the independent variable

• A variable that is kept the same for every part of the experiment to keep all of the results consistent

• The environment that an experiment is conducted in

This type of force is an attraction between two objects

• contact
• gravity
• friction

This type of force resists motion between two surfaces that are in contact

• contact

• gravity

• friction

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

True or false: balanced forces cause movement.

• true

• false

What is the force due to gravity called?

• height

• weight

• mass

• kilograms

Tags

NGSS.HS-PS2-4

If you go to the Moon, your mass stays the same but your weight will change.

• true

• false

What force keeps us on the ground?

• mass

• upthrust

• weight

• magnetism