2.3 Newton's 1st/2nd Notes

Multiple Choice

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

• 1st Law

• 2nd Law

• 3rd Law

Multiple Choice

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

• 1st Law

• 2nd Law

• 3rd Law

Multiple Choice

What is the definition of "weight"?

• measure of the force of gravity on your body
• the time it takes to get on a ride 
• the amount of matter in an object
• the size of an object

Multiple Choice

If Earth's mass was cut in half, what would happen to your mass?

• increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, mass is not affected by gravitational force

Multiple Choice

F=ma. If force is kept the same but the mass is doubled, then the acceleration will....

• stay the same

• be halved

• be doubled

• be zero

Multiple Choice

A force of 90N is applied to each cart, which one will accelerate the fastest?

• Cart 1
• Cart 2
• Cart 3 
• Cart 4

Multiple Choice

If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Multiple Choice

A child has a mass of 30 Kg on Earth. If the gravity on Moon is 1.62 m/s², what is the mass of the child on Moon? 

• 30 Kg
• 48.6 Kg

• 28.38 Kg

• 0 Kg