Intro to Force & Newtons Laws

Multiple Select

A tire swing hangs from a tree branch by a rope. Identify all the forces acting on the tire.

• Weight

• Normal

• Applied Force

• Tension

• Friction

Multiple Select

You push a couch across a carpeted (rough) living room floor. Identify all the forces acting on the couch.

• Weight

• Normal

• Applied Force

• Tension

• Friction

Let's review!

Multiple Choice

Which is the term for the object or objects of interest in a free-body diagram?

• The external world

• The system

• The vector

• The unknown

Multiple Choice

Which is the vector sum of all the forces on an object?

• the vector

• the accleration

• the net force

• the external world

Multiple Choice

Which is the tendency of an object to resist changes in velocity?

• force

• mass

• acceleration

• inertia

Multiple Choice

Name the missing force...

• weight force
• normal force
• applied force
• frictional force

Multiple Choice

Name the missing force...

• applied force
• weight force
• tension force
• drag

Multiple Choice

What is the net force?

• 3 N Right

• 3 N Left

• 17 N Right

• 17 N Left

Multiple Choice

A 10kg box accelerates to the left at 6 m/s², pushed by 2 forces. If the box is pushed right with 70N, calculate the other force. Assume the direction of positive is to the right.

• 130N

• -130N

• 10N

• -10N