Equal and Unequal Forces

Below lists descriptions of forces. Identify which row describes equal forces and which describes unequal forces.

Groups:

(a) Equal Forces

,

(b) Unequal Forces

• Forces are balanced.

  Objects do not change their motion.

• They change patterns of motion.

  Objects speed up, slow down, or change direction.

Tags

NGSS.MS-PS2-2

Which actions will make moving the cart in one direction easiest for the students?

• Student 1 pulls the cart to the left. Student 2 pulls the cart to the right.

• Student 1 pulls the cart to the left. Student 2 pushes the cart to the left.

• Student 1 pushes the cart to the right. Student 2 pushes the cart down.

• Student 1 pushes the cart to the right. Student 2 pulls the cart up.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Some students wanted to find out if a tennis ball and a baseball dropped from the

same height hit the ground at the same time. This investigation tests the effect of

which of the following?

• Wind

• Friction

• Gravity

• Magnetism

Tags

NGSS.MS-PS2-4

To move the wagon towards the door, it should be pushed in the direction indicated by which arrow?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

A student pushes a wagon, and it begins to move in the direction shown. Describe the forces acting on the wagon.

• • The forces are equal because the wagon starts to move.

• • The forces are unequal because the wagon starts to move.

• • The force of gravity is pulling the wagon forward.

• • The metal parts of the wagon are attracted to a magnet.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which term best describes the forces acting on the box shown?

• Unequal

• Gravity

• Equal

• Unbalanced