Forces

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

• Mass & distance
• Mass & weight
• Gravity & inertia
• Inertia & mass

Tags

NGSS.MS-PS2-4

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

• True
• False

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

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

• balanced
• unbalanced
• gravitational
• electrical

Tags

NGSS.MS-PS2-2

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

A child pulls on a toy with a force of 25 N to the right. Another child pulls the toy with 15 N to the left. The net force is:

• 1.7 N to the right
• 1.7 N to the left
• 10 N to the right
• 10 N to the left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Gravity pulls an object down with 49 N of force and a rope pulls the object up with 50 N of force. What is the net force?

• 1 N upward
• 1 N downward
• 0.98 N upward
• 0.98 N downward

Tags

NGSS.MS-PS2-2

9.8 newtons is the constant pull of which force.

• Gravity

• wind

• ocean waves

• tornado

Determines if and in which direction the object will move (total force)

• Net force

• Gravity

• Push

• Pull