Semester Exam Review - Forces, Newton's Laws, Inertia, Mass Question Preview (ID: 58344)

Forces, Newton's Laws, Inertia, Mass. TEACHERS: click here for quick copy question ID numbers.

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What is the net force on the object in the picture below

a) 10N to the left

b) 10N to the right

c) 0 N to the right

d) O N to the left

What is the net force on the object in the picture below?

a) 1400N up

b) 1400N down

c) 200N up

d) 200N down

What is the net force acting on the airplane

a) 740N to the right

b) 760N to the left

c) 700N to the right

d) 900N to the right

The illustration shows the forces in Newtons (N) acting on three different blocks. Which blocks will move under these conditions ?

a) Blocks 1 and 2

b) Blocks 2 and 3

c) Blocks 1 and 3

d) Blocks 1, 2 and 3

The illustration shows all the forces in newtons (N) acting on a box. The sum of all the forces acting on the box results in a force acting on the box --

a) to the right with a strength of 11 Newtons.

b) to the left with a strength of 7 Newtons.

c) to the right with a strength of 25 Newtons.

d) to the left with a strength of 6 Newtons.

Students are using an air rocket to investigate the relationship between force and an object's motion. Students pump air into the rocket, then release the rocket and the compressed air pushes the rocket upward. In order to vary the amount of force

a) The length of the hose attached to the pump

b) The distance traveled by the rocket

c) The height of the rocket from fins to cone

d) The amount of air pumped into the rocket

According to Newton's Law of Inertia, which of the following objects will change its motion ?

a) A bike rider on a smooth and level road, pedaling at a constant rate

b) A train pulling on another train, each with the same amount of force

c) A chair sitting on the floor with balanced forces acting in opposite directions

d) A ball rolling across the floor with friction acting in the opposite direction

A ball rolls across the floor until it is stopped by a wall. This is an example of Newton’s ____ law of motion ?

a) First

b) Second

c) Third

d)

An astronaut doing an extra vehicular activity (gets out of the space craft) presses a button on his jet pack to maneuver in space. In what direction will he travel ?

a) He will travel in the same direction, the air in his jet pack travels

b) He will travel up

c) He will travel in the opposite direction and with the same amount of force as the air from his jet pack

d) He will travel down

Which of Newton’s laws of motion is described in the question above ?

a) First

b) Second

c) Third

d)

You can't throw a bowling ball as far as you can throw a baseball. Which of Newton's Laws does this describe ?

a) First

b) Second

c) Third

d)

The bike you are riding hits a hole and stops quickly, but you fly forward over the handlebars. Which of Newton’s laws is being described ?

a) First

b) Second

c) Third

d)

When Wes left for baseball practice, he left his baseball equipment on the back of his dad’s car trunk. When he arrived at baseball practice, he realized his baseball equipment was no longer on the trunk! Uh-Oh! When his dad turned at the red light

a) First

b) Second

c) Third

d)

Clayton is waiting in line to use the diving board at the pool. While watching people dive into the pool from the board, he realizes that using a diving board to spring into the air before a dive is a good example of a law of motion. Which of Newto

a) First

b) Second

c) Third

d)

If a BIG Gray Elephant were chasing you through the African Plains, its enormous mass would be very threatening. But if you zigzagged, then its large mass would be to your advantage. Which word best describes why his large mass would be to your adva

a) Density

b) Inertia

c) Viscosity

d)

_____ is the tendency of an object to resist a change in motion.

a) Density

b) Inertia

c) Tensile Strength

d) Viscosity

Which of the following objects would have more inertia ?

a) A truck

b) A pencil

c) A wiener dog

d) A truck filled with pencils and wiener dogs

What is the correct unit of force ?

a) Newton

b) Kilogram

c) Meter

d)

Which would have more force, a football player with a small mass and low acceleration or Reuben Foster, who has large mass and high acceleration ?

a) Small mass and low acceleration

b) Large mass and high acceleration

c) The force would be the same for both

d)

According to Newton's third law of motion, for every action force there is an equal and _________ reaction force

a) explosive

b) direct

c) abstract

d) opposite

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