Force and Motion Concepts Review

What results from two opposing forces of 40 newtons and 20 newtons acting on an object?

• 40 newtons to the right

• 20 newtons to the right

• 20 newtons to the left

• Balanced force of 0 newtons

Tags

NGSS.MS-PS2-2

If two equal forces of 75 newtons act in opposite directions, what is the net force?

• 150 newtons

• 75 newtons

• Cannot be determined

• 0 newtons

Tags

NGSS.HS-PS2-1

What is the net force when two forces, 40 newtons and 15 newtons, act in the same direction?

• 25 newtons

• 55 newtons

• 60 newtons

• No net force

Tags

NGSS.HS-PS2-1

In a tug of war, when does the center of the rope move?

• When there is no friction

• When the rope has no mass

• When both teams pull with equal force

• When one team pulls harder than the other

How does an inclined plane reduce the force needed to lift an object?

• By decreasing gravity's pull on the object

• By increasing the distance the object moves

• By increasing the mass of the object

• By reducing the distance the object moves

What does a horizontal line on a distance-time graph indicate?

• The object is stationary

• The object is accelerating

• The object is moving at a constant speed

• The object is decelerating

What does a straight diagonal line on a distance-time graph represent?

• Constant speed

• Random speed variation

• Deceleration

• Acceleration

Tags

NGSS.MS-PS3-1

How can you tell if two runners are moving at the same speed from a graph?

• Their lines are curved

• Their lines are perpendicular

• Their lines are parallel

• Their lines intersect

Tags

NGSS.MS-PS3-1

Between which minutes did the student stop during their bike ride to the park?

• 20 to 45 minutes

• 50 to 75 minutes

• 10 to 20 minutes

• 0 to 10 minutes

What does a negative slope on a distance-time graph indicate about the motion of a student?

• The student is returning home

• The student is slowing down

• The student is speeding up

• The student is stationary