Newton's 1st and 2nd law

Newton's 1st law is called the law of _______________

• Planets

• Gravity

• Inertia

• Motion

The best measure of an object's inertia is its __________

• Volume

• Mass

• Gravity

• Force

Weight is a type of ________

• gravity

• mass

• force

• velocity

On the moon, an object's mass would be _____________ on earth.

• greater than

• less than

• same as

On the moon, an object's weight would be _____________ on earth.

• greater than

• less than

• same as

The mathematical expression of Newton's 2nd Law is

• F=ma

• g=m/F

• F=Vt

• a=F/v

What is the value of acceleration due to gravity on earth?

• 9.0 m/s^2

• 8.9 m/s^2

• 9.8 m/s^2

• 6.5 m/s^2

What is the force exerted when a car with a mass of 2000kg is accelerated at 6.0 m/s^2.

• 9,000 N

• 10,000 N

• 11,000 N

• 12,000 N

The weight of a child is 210 N. What is the child's mass?

• 20 kg

• 21 kg

• 22 kg

• 23 kg

A new force of 24 N is applied to an object whose mass is 14 kg. What is the object's acceleration?

• 2.0 m/s^2

• 22.0 m/s^2

• 11.7 m/s^2

• 1.7 m/s^2