Which law of physics indicates that all forces between two objects has equal and opposite force.

• Law of acceleration

• Law of interaction

• Law of conservation of mass

• Gravitational law

Which of the following terms denotes as the tendency of an object to remain in the state of rest until acted upon by an external force.

• momentum

• Equilibrium

• Inertia

• Acceleration

Which Newton’s Law of motion explains why a passenger tends to move forward when the car suddenly stops?

•   Law of inertia

• Law of acceleration

• Law of interaction

• Change in momentum

In physics, what does letter m typically represents?

• motion

• miles

• mass

• molecules

What law of motion has the “action” and “reaction” pair of forces?

• law of inertia

• law of acceleration

• law of interaction

• change in momentum

There's a _____ inertia when the object is heavier in mass.

• greater

• less

• small

• zero

The inertia of an object depends on its

 

• kinetic energy

• surface area

• height

• mass

Which of the following describes the 2^nd law of motion?

• An object will continue to move at constant speed unless acted upon by external force.

• All objects move at a constant speed.

•   Acceleration is directly proportional to the net force. If the net force we're doubled, the acceleration of the object would be twice as large as the net force.

A 40 gram toy car moves at a constant force of 2.0 N. What is its acceleration?

• 20 m/s²

• 50 m/s²

• 200 m/s²

• 0.02 m/s²

1Determine the horizontal force needed to accelerate a 25 kg grocery cart from rest to a velocity of 0.45 in 1.35 s.

• 8.25 N

• 1.02 m/s²

• 0.33 N

•   0.02 m/s²