Physics Pre-Test

100mL is equal to

• $1kL$
  

•  $10^{-6}\ \mu L$

• $0.1L$

• $0.01ML$

The greater the mass of an object,

• the greater its inertia.

• the easier the object starts moving.

• the more space it takes up.

• the more balanced it is.

Tags

NGSS.MS-PS2-2

An astronaut weighs 80N on earth where the acceleration due to gravity is approximately 9.8m/s². The mass of the astronaut at a point in space where the acceleration due to gravity is 4 m/s² is roughly

• 80kg

• 32kg

• 20kg

• 8kg

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If an object has a constant velocity, then it:

• Moves with unchanging speed in a straight line.

• Moves with unchanging speed along a circle.

• Moves with changing speed in a straight line.

• Moves with changing speed along a circle.

Tags

NGSS.HS-PS2-2

The law of universal gravitation states that any two objects in the universe that have mass, without exception,

• attract each other

• create friction

• repel each other

• combine to provide a balanced force

Tags

NGSS.MS-PS2-4

When an object thrown vertically upwards reaches its maximum height, it has

• Zero acceleration and zero velocity

• Zero acceleration and negative velocity

• Negative acceleration and zero velocity

• Negative acceleration and negative velocity

Tags

NGSS.HS-PS2-1

The torque depends upon

• force only

• moment arm only

• mass only

• force and moment arm

An apple falls from a tree. Compare its kinetic energy, K, to its potential energy, U.

• K decreases and U decreases

• K is constant and U increases

• K increases and U decreases

• K increases and U is constant

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What do we call to the time required for an object to make one complete revolution?

• Frequency

• Period

• Time of flight

• Range

Tags

NGSS.HS-PS4-1

The work done will be zero if the angle between the force and distance is

• $30\degree$

• $60\degree$

• $90\degree$

• $180\degree$