Eng Physics Ch 5 Quiz

Forces ...

• are a push or a pull

• are vectors

• are never balanced

• are always balanced

• always occur in pairs

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

Newton's Third Law states that ...

• forces occur in pairs

• force pairs are equal in magnitude and opposite in direction

• force pairs cancel each other out

• force pairs act on two different objects

• force pairs always act on the same object

Tags

NGSS.MS-PS2-1

Which of the following is true about inertia?

• it is the tendency of an object to resist a change in motion

• it is proportional to the mass of an object

• it only acts horizontally

• only objects at rest have inertia

• only objects in motion have inertia

Unbalanced forces cause objects to ...

• speed up

• change direction

• remain at rest

• accelerate

• maintain constant speed

Tags

NGSS.MS-PS2-2

Balanced forces mean ...

• zero net force

• non-zero net force

• an object accelerates

• an object doesn't accelerate

• an object doesn't move

Tags

NGSS.HS-PS2-1

Normal force ...

• acts perpendicular to the surface of contact

• is proportional to the weight of the object being supported

• only acts downward

• only acts upward

• is always in the opposite direction as gravity

A car with a mass of 1000 kilograms experiences an acceleration of 5 meters per second squared. Determine the force acting on the car.

_____ N

<NUMBER ONLY>

Tags

NGSS.MS-PS2-2

A rocket with a mass of 2000 kilograms experiences an acceleration of 20 m/s². Calculate the force exerted by its engines.

_____ N

<NUMBER ONLY>

Tags

NGSS.MS-PS2-2

A 2,000 kg truck experiences a force of 4,000 N. What is the acceleration of the truck?

_____ m/s²

<NUMBER ONLY>

Tags

NGSS.MS-PS2-2

What is the normal force acting on a 3-kg box at rest on a floor?

_____ N

<NUMBER ONLY>

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4