Forces in One Dimension

For an object to change velocity, it must have a(n) _________ acting on it.

• Force

• Area

• Effort

• Scalar

Tags

NGSS.MS-PS2-2

A boat moving away from you as you jump out of it demonstrates which of Newton's Laws?

• Newton's First Law

• Newtons's Second Law

• Newton's Third Law

• Newton's Law of Gravity

Tags

NGSS.MS-PS2-1

An elevator with a mass of 1500 kg accelerates upward at 1.63 m/s^2. What is the force acting on the elevator’s support cable?

• 495 N

• 222 N

• 2444 N

• 1100 N

Tags

NGSS.MS-PS2-2

A rocket weighs 19976.32 N. Its engines exert an upward force of 25 x 10⁶ N at liftoff. What is the mass of the rocket at liftoff?

• 2038.4 Kg

• 2.04 x 10⁶ Kg

• 204 kg

• There isn't enough information to tell

Tags

NGSS.MS-PS2-2

What force is required to accelerate a 60 kg cart at 2.0 m/s² forward?

• 120.0 N

• 12.0 N

• 1200.0 N

• There isn't enough information to tell

Tags

NGSS.MS-PS2-2

What is the magnitude of the force of tension in a rope that is supporting a 42kg bucket in the air?

• 41.2 N

• 412 N

• .42N

• There isn't enough information to tell

Tags

NGSS.MS-PS2-2

What is the name of the missing force in this free body diagram?

• Tension Force

• Normal Force

• Weight Force

• Frictional Force

Tags

NGSS.HS-PS2-1

If these boys are pulling with the same amount of force. What will happen?

• The boy on the left will win

• The boy on the right will win

• Neither will move

• Both will fall down

Tags

NGSS.MS-PS2-1

Which graph presents an object moving with a constant positive velocity?

• 
• 
• 
• 

Tags

NGSS.MS-PS3-1

An object accelerates at 2 m/s². Assuming the object starts from rest, how much time does it need to accelerate to a speed of 16 m/s?

• 4s

• 8s

• 16s

• .6s

Tags

NGSS.HS-PS2-1