QUIZ 3 LAWS OF MOTION

Which law states that forces act with equal magnitude and in opposite direction?

• A. Law of Inertia

• B. Law of Interaction

• C. Law of Acceleration

• D. Law of Gravitational Force

What is the definition of weight?

• A. the size of an object

• B. the time it takes to get on a ride

• C. the amount of matter in an object

• D. the magnitude of the force of gravity on an object

What Newton’s law of motion requires the use of seat belt in cars?

• A. Law of Inertia

• B. Law of Interaction

• C. Law of Acceleration

• D. Law of Universal Gravitation

A guava with a mass of 0.200 kg has a weight of ___________.

• A. 0.200 N

• B. 1.96 N

• C. 4.50 N

• D. 10.0 N

If the mass of an object is 45 kg on Earth, what is its mass on the moon?

• A. 45 N

• B. 45 kg

• C. 441 N

• D. 441 kg

A stone hits the ground before a flat sheet of paper because ___________.

• A. it is less massive

• B. it is more massive

• C. the acceleration of gravity is greater on the stone

• D. there is more air resistance against the flat paper

According to the second law of motion, the net force is the product of mass and acceleration. Which of the following has the greatest acceleration?

• A. A 5.000 kg stone pulled with a 10 N net force.

• B. A 0.5000 kg toy car is pulled with a 9 N net force.

• C. A 7.000 kg metal ball is pushed by a 17 N net force.

• D. A 500.0 kg truck accelerated by 1000 N net force from its engine.

Which of the following phenomena applies the first law of motion?

• A. A leaf sways back and forth falling from a tree.

• B. When a ball falls on the floor, the ball bounces back up.

• C. When pushed with the same force, a car accelerates slower than a grocery cart.

• D. When a cardboard with coin on top is suddenly pulled, the coin falls into the glass.

In a grocery store, you can easily push a cart with 5 kg sack of rice than a cart with a 10 kg sack of rice to the counter. Which of these explains the situation?

• A. Law of Inertia

• B. Law of Interaction

• C. Law of Acceleration

• D. Law of Universal Gravitation

For every _________ there is an equal and opposite ___________.

• A. action, action

• B. reaction, action

• C. action, reaction

• D. reaction, reaction