Physics Summative Test 1Q

An object accelerates uniformly from rest to a speed of 20 m/s in 5 seconds. What is its acceleration?

• 2 m/s²

• 4 m/s²

• 5 m/s²

• 10 m/s²

If an object travels 100 meters in 4 seconds, what is its average speed?

• 25 m/s

• 50 m/s

• 75 m/s

• 100 m/s

A car accelerates at a rate of 3 m/s² for 4 seconds. What is the final velocity if it started at 15 m/s?

• 27 m/s

• 30 m/s

• 36 m/s

• 39 m/s

Calculate the distance traveled by an object accelerating at 2 m/s² for 3 seconds, starting from rest.

• 6 m

• 9 m

• 12 m

• 18 m

What is the net force acting on a 10 kg object that accelerates at 2 m/s²?

• 10 N

• 20 N

• 30 N

• 40 N

Which of the following is not a type of friction?

• Static friction

• Kinetic friction

• Rolling friction

• Gravitational friction

A 5 kg box is pushed with a force of 30 N. If the coefficient of friction between the box and the surface is 0.2, what is the acceleration of the box?

• 2 m/s²

• 4 m/s²

• 5 m/s²

• 6 m/s²

An object is in equilibrium when:

• The net force is zero.

• It is moving at a constant speed.

• It is at rest.

• All of the above.

Which of Newton's laws states that for every action, there is an equal and opposite reaction?

• First Law

• Second Law

• Third Law

• Law of Gravitation

An object moves with a constant velocity of 15 m/s. How far does it travel in 10 seconds?

• 75 m

• 150 m

• 225 m

• 300 m