Newton's Laws of Motion

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 

• 18N left
• 18N right
• 2N right
• 2N left

Tags

NGSS.MS-PS2-2

If net force acting on object is 0, then the force is considered to be..

• Balanced
• Unbalanced
• Equal in Direction
• Distance/Time

A car speeding up, a dog slowing down and person turning around the block are examples of..

• Balanced Forces
• Unbalanced Forces

Tags

NGSS.MS-PS2-2

Which type of force(s) will cause a change in an object's motion?

• gravity
• zero net force
• balanced forces
• unbalanced forces

Tags

NGSS.MS-PS2-2

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

• first
• second
• third 
• fourth

Tags

NGSS.MS-PS2-1

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

• The cannon moving forward
• The cannonball moving forward
• The cannon moving backward
• The cannonball moving backward

Tags

NGSS.MS-PS2-1

A bike accelerates at 10 m/s² when a force of 50N is applied.  What is the mass of the bike and its rider?

• 25 kg
• 200 kg
• 20 kg
• 5 kg

Tags

NGSS.MS-PS2-2

Which of Newton's laws are illustrated with a rocket launch?

• 1st Law, the Law of Inertia. 
• 2nd Law, the Law of Acceleration.
• 3rd Law, the Law of Action Reaction
• The Law of Conservation of Mass

Tags

NGSS.MS-PS2-2

Which law best describes a satellite orbiting the earth?

• Law of Inertia
• Law of Mass and Acceleration
• Law of Action Reaction

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4