Forces

What force holds the planets in motion around the sun?

• Magnetic force

• Electrical force

• Gravitational force

• Air Resistance

What does the strength of gravity between two objects depend upon?

• Mass & distance

• Mass & weight

• only distance

• only mass

All objects in the universe have a gravitational attraction to each other. 

• True
• False

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

Tags

NGSS.MS-PS2-2

An _______ force must act on an object for it to accelerate (CHANGE it's motion)

• balanced

• unbalanced

• gravitational

• electrical

Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 

• That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
• That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
• That Jupiter’s and Earth’s gravitational forces are equal.
• Mass has no effect on the gravitational force between two objects

Tags

NGSS.MS-PS2-4

What is defined as a push or pull?

• force

• motion

• vector

• speed

This type of force resist motion between two surfaces that are in contact with one another

• contact

• gravity

• friction

• noncontact

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is it called when the force of gravity is acting on an object?

• Weight
• Sliding Friction
• Momentum
• Projectile Motion