Forces 2

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

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Tags

NGSS.HS-PS2-1

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

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Tags

NGSS.MS-PS2-2

A downward-moving skydiver who has just opened the parachute is slowing down.

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Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

This diagram can be used to indicate which of the following? (TWO correct answers)

• a object at rest

• an object moving at a constant velocity (speed)

• an object accelerating

• (Trick question -- there is only one correct answer)

• an object decelerating

Which way is the object moving?

• it's either not moving or moving at a constant speed due to balanced forces

• to the right

• to the bottom

• up

Tags

NGSS.MS-PS3-1

What is the magnitude (size) and direction of the net force?

• 15 N to the left
• 15 N to the right
• 1 N to the left
• 1 N to the right

Tags

NGSS.MS-PS2-2

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

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

Tags

NGSS.MS-PS2-2

Calculate the net force shown in the  diagram?

• 15 N
• 8 N
• 7 N
• 23 N

Tags

NGSS.MS-PS2-2

Which way is the box moving?

• to the right
• to the left
• going up
• going down

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

The force that acts on an object to stop its motion.

• Speed
• Friction