Sign up
Logout
Username
Change password
Logout
Home
►
Forces (Science)
►
Multiple Choice
Multiple choice questions
Question:
Front side
Back side
Question limit
10
20
1. Why can drag forces be useful?
When the forces are not the same size and they do not cancel each other out.
By adding lubrication, e.g. oil or grease.
If we need to slow something down for example by using a parachute making an object streamlined it will reduce the drag forces on it.
10N/Kg
1 of 5