PS Quiz- Newton's Laws

What is the force that causes objects to fall to Earth?

• Air resistance
• Gravity
• Water resistance
• Pressure

What is the name of the units that we measure force in?

• Einsteins 
• Newtons
• Kg
• Metres

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

All objects have inertia

• True

• False

Inertia depends on ______

• Velocity

• Speed

• Distance

• Mass

A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.

• an unbalanced force would be required to keep the sled moving forward at constant speed

• the presence of an unbalanced force (e.g., friction) can cause a moving object to stop

• the presence of inertia causes it to stop

• the natural tendency of any object is to ultimately stop

Mac and Tosh are arguing in the cafeteria. Mac says that if he flings the jello with a greater speed it will have a greater inertia. Tosh argues that inertia does NOT depend upon speed, but rather upon mass. Who is correct?

• Mac

• Tosh

• Neither

• Both

More mass = More inertia

• True

• False

The amount of MATTER in an object.

• momentum

• velocity

• mass

Answer explanation