Force and Motion Test

What happens to the speed of an object as an unbalanced force acts on it? Give an example.

Answer explanation

The speed of the object will either increase or decrease

Tags

MS-PS2-1

What happens to the position of an object as an unbalanced force acts on it?

• It causes no reaction

• It causes movement

• It causes gravity

Tags

MS-PS2-1

Match the following vocabulary word with the definition.

• forces that are opposite in direction but equal in size.

• Balanced Forces

• increase in the rate of speed of something

• Inertia

• a tendency to remain unchanged

• Acceleration

• the force applied in one direction is greater than the force applied in the opposite direction.

• Force

• A push or pull

• Unbalanced Forces

Tags

MS-PS2-1

Which runner accelerated the fastest at the start of the race?

Tags

MS-PS2-3

Which runner ran at a constant speed?

• Runner A

• Runner B

• Runner C

Tags

MS-PS2-3

To find the net force of two objects moving at the same direction you would ____________ their forces.

Tags

MS-PS2-2

An object at rest or moving at a constant speed and in a constant direction is being acted on by _______________ force(s).

Tags

MS-PS2-2

Match the SI unit with what is being measured

• Newtons

• Force

• m/s south; mi/hr north

• Speed

• m/s or mph

• Acceleration

• m/s/s or m/hr/hr

• Velocity

Tags

MS-PS2-1

MS-PS2-3

MS-PS2-2

Calculate the Net Force. Make sure to use correct SI units.

Tags

MS-PS2-2

Calculate the net force below. Indicate if it is a balanced or unbalanced force.

Tags

MS-PS2-2