Chapter 3 Dynamics First Test

the study of motion are objects and it's causes this is called

• kinematics

• dynamics

• both

• none

inertia depends upon:

• speed

• mass

• velocity

• distnace

______ is the is the retsultant of all the forces acting on a body.

• force

• net force

• both

• none

who formulated the laws of motion?

• newton

• farady

• galileo

• none

, according to the newton's second law of motion the magnitude of exploration is directly proportional to the______

• net force

• mass

• both

• none

find expiration date is produced by a 20 newton force in a mass of 8 KG

• 2

• 2.5

• 3

• 3.5

Spring balance is used to measure the :

• force

• weight

• both

• none

An atwood machine is used to find the ______ due to gravity.

• speed

• velocity

• acceleration

• all of theses

Rockets and jet engines are working on the principle of:

• Law conservation of momentum

• force & momentum relationship

• both

• none of these

The friction between glass and glass:

• 0.9

• 0.05

• 1.0

• 0.8