Year 7 Physics Quiz

Which of the following is NOT an example of unbalanced forces?

• a turning car

• a car breaking to a stop

• a car traveling 60 mph constantly

• a car accelerating down a hill

Tags

NGSS.MS-PS2-2

Which of the following is NOT an example of unbalanced forces?

• a skateboard rolling down a ramp

• a skateboard popping up in the air, then back down

• a skateboard slowing down to a stop

• a motionless skateboard

Which of the following is NOT an example of balanced forces?

• a runner moving at a constant speed of 4 m/s

• a runner waiting at the starting line of a race

• a runner slowing down to a stop at the finish line

• a runner jogging in a straight line

Unbalanced forces result in which of the following?

• acceleration

• constant velocity

• constant speed & direction

• inertia

Tags

NGSS.MS-PS2-2

Balanced forces CANNOT result in which of the following?

• no changes in motion

• changes in direction

• constant speed

• no motion

Which of the following wouldn't naturally result in acceleration?

• going uphill or downhill

• a flat stretch of unchanging road

• a change in surface friction

• a turn

Which of the following correctly describes the motion?

• an object at rest

• an object at constant speed

• an object accelerating

• an object with changing velocity

What law is best described by inertia?

• 1st
• 2nd
• 3rd
• law of conservation of mass

• 1st
• 2nd
• 3rd
• law of motion

Tags

NGSS.MS-PS2-1

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-1