Forces of Motion Unit Test LearnEd

Which of the following best describes a force?

• A push or pull that changes the speed or direction of an object

• The tendency of an object to resist a change in its motion

• Measure of an object’s inertia

• Direction and distance from a start point to an end point

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Which is a change in position described in respect to a frame of reference?

• Gravity

• Force

• Motion

• Inertia

Speed is determined based on two factors. What are they?

• Distance and time

• Distance and displacement

• Inertia and distance

• Inertia and displacement

A horizontal line on a distance-time graph represents

• An object that is moving inconsistently

• An object that is moving very quickly

• An object that is moving slowly

• An object that is not moving

A steep slope on a distance-time graph represents

• A high speed

• A low speed

• Inconsistent speed

• None of these

Which of the following best describes mass?

• A push or pull that changes the speed or direction of an object

• The tendency of an object to resist a change in its motion

• Measure of an object’s inertia

• Direction and distance from a start point to an end point

Sarah and Joy are pushing against a block in opposite directions. Sarah is pushing to the right with a force of 10 N and Joy is pushing to the left with a force of 12 N. Which is an accurate statement?

• The block will move to the left with a force of 12 N

• The block will move to the left with a force of 2 N

• The block will move to the right with a force of 12 N

• The block will move to the right with a force of 2 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Two forces have a net force of zero. What are they most likely called?

• Congruent forces

• Equal forces

• Even forces

• Balanced forces

An object has two forces applied to it in the same direction. Which of the following is a true statement?

• The forces are added and the object will move in that direction

• The forces are added and the object will move in a different direction

• The forces are subtracted and the object will move in that direction

• The forces are subtracted and the object will move in a different direction

Tags

NGSS.MS-PS2-2

The larger the inertia, the __________ the mass.

• Slower

• Quicker

• Smaller

• Larger

Tags

NGSS.MS-PS2-2