Forces KS3

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the name of the units that we measure force in?

• Einsteins

• Newtons

• Kilograms

• Metres

What is the value of the resultant force?

• 10 N
• 0 N
• 25 N
• 1 N

Balanced or unbalanced?

• balanced
• unbalanced

When forces are ___________ the object will move.

• unbalanced
• balanced
• light
• gravity

A type of friction that occurs when air pushes against a moving object

• surface area

• air resistance

• velocity

• gravity

Streamlining is all about trying to produce a shape that produces the smallest amount of resistance

• False

• True

How does streamlining affect speed?

• more streamlining decreases speed

• more streamlining increases speed

This car would have ....

• Poor streamlining

• Good streamlining

Friction can be reduced by:

• providing wheels

• lubricating

• streamlining

• All of these