MS-PS2-3 and MS-PS2-5

Newton’s First Law of motion is sometimes referred to as the law of __________.

On average a football is thrown with an acceleration of 1.25 m/s/s. The ball has a mass of 0.4 kilograms. Calculate the average force acting on the football.

• 0.25 Newtons

• 0.32 Newtons

• 0.5 Newtons

• 3.13 Newtons

Tags

NGSS.MS-PS2-2

A spaceship is traveling at 1,100 m/s. No gravity or air resistance acts on the ship. If no external forces act on the ship, the ship will eventually slow down.

• True

• False

Tags

NGSS.MS-PS2-2

An object is moving at 5 meters per second across a flat surface. The object is neither gaining nor losing speed. This is considered a/an _________ force.

A car is accelerating down a hill at 3 m/s/s. This would be an example of a/an _________ force.

Tags

NGSS.MS-PS2-2

The total force acting on an object is known as the ____ force.

Tags

NGSS.MS-PS2-2

Two cars are attached by a chain. One car is pulling to the left with three newtons of force and the other car is pulling to the right with six newtons of force. Calculate the direction of the net force.

• Nine Newtons to the Right

• Three Newtons to the Left

• Three Newtons to the Right

Tags

NGSS.MS-PS2-2

One car has a mass of 2000 kilograms and an acceleration of 5 m/s/s. The calculated force acting on this object is 400 Newtons.

• True

• False

Tags

NGSS.MS-PS2-2

Electrons have a: (7.MS-PS2-3)

• Negative charge

• Neutral charge

• Positive charge

Which material can be used as a conductor of electricity? (7.MS-PS2-3)

• Foil

• Rubber

• Plastic

• Ceramic