Newton's Second Law of Motion

I the mass of an object is 10 kg. And the acceleration is 10 m/s², what is the force on the object?

• 1000 N

• 20 N

• 10 N

• 100 N

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

An 800-newton person is standing in an elevator. If the upward force of the elevator on the person is 600 Newtons, the person is

• at rest

• accelerating upward

• accelerating downward

• moving downward at constant speed

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

Will it take more force to push an empty shopping cart or a shopping cart that is full?

• The empty shopping cart
• The full shopping cart
• They will take the same amount of force

A (a)   is required to change the motion of an object

Football A has a greater mass than football B.  Which football will have greater acceleration when both are thrown with the same force in the same direction?

• Football A
• Football B
• They will have the same acceleration
• Mass has no effect on acceleration

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

• True
• False

Is a car going around a corner an example of acceleration?

• Yes

• No