Free Printable Forces and Motion

1.

a push or pull that acts on an object

(a)

2.

the SI unit for force

(a)

3.

the overall force acting on an object after all the forces are combined

(a)

4.

a force that opposes the motion of objects that touch as they move past each other

(a)

5.

fluid friction acting on an object moving through the air

(a)

6.

the attraction between any two objects because of their masses

(a)

7.

the tendency of an object to resist a change in its motion

(a)

8.

the amount of matter in an object

(a)

9.

the force of gravity acting on an object

(a)

10.

the product of an object's mass and its velocity

(a)

11.

the SI unit for distance

(a)

12.

the SI unit for time

(a)

13.

the SI unit for mass

(a)

14.

the constant velocity of a falling object when the force of air resistance equals the force of gravity

(a)

15.

the acceleration of an object is equal to the net force acting on it divided by the object's mass

(a)

16.

the state of motion of an object does not change as long as the net force acting on the object is zero

(a)

17.

whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object

(a)

18.

the unit equivalency for $kg\cdot\frac{m}{s^2}$

(a)

19.

the equation for calculating momentum

(a)

20.

the equation that represents Newton's second law of motion

(a)

21.

The word (a) can be used to represent Newton's first law of motion.

22.

Unbalanced forces can cause a change in which of the factors below?

a)

speed

b)

inertia

c)

friction

d)

direction

23.

The acceleration of objects near Earth's surface is (a) $\frac{m}{s^2}$ .

24.

A force is defined as a push or (a) that acts on an object.

25.

A force can act to cause an object at rest to move or it can accelerate an object that is already moving.

a)

True

b)

False

26.

How can a force change the motion of an object that is already moving?

a)

changing its speed

b)

changing its direction

c)

changing its speed and direction

d)

none of these options

27.

What force causes a 1 kg mass to accelerate at a rate of 1 meter per second each second?

a)

$1\ \frac{kg}{m\cdot s^2}$

b)

$1\ kg\cdot m$

c)

$1\ \frac{kg}{s}$

d)

$1\ newton$

28.

Balanced forces on an object will cause motion.

a)

True

b)

False

29.

Friction is a force that helps objects that are touching move past each other more easily.

a)

True

b)

False

30.

Gravity is a(n) (a) force that pulls objects together.

31.

Earth's gravity acts downward toward the center of the Earth.

a)

True

b)

False

32.

Terminal velocity is reached when a falling object has zero net force on it.

a)

True

b)

False

33.

What is momentum measured in?

a)

$\frac{kg}{m\cdot s^2}$

b)

$kg\cdot\frac{m}{s^2}$

c)

$\frac{kg}{m\cdot s}$

d)

$kg\cdot\frac{m}{s}$

34.

Momentum is calculated by multiplying the mass and (a) of an object.

35.

Which object has the greatest momentum?

a)

a 700 kg bird flying at a velocity of 2.5 m/s

b)

a 1000 kg car traveling at 5 m/s

c)

a 40 kg shopping cart rolling along at 0.5 m/s

d)

a 300 kg roller coaster car traveling at 25 m/s

36.

In a closed system with two objects, the loss of momentum of one object equals the gain in momentum of the other object.

a)

True

b)

False

37.

A van with a amass of 1500 kg accelerates at a rate of 3.5 m/s² in the forward direction. What is the net force acting on the van?

(a)

38.

What net force is required to accelerate a car at a rate of 2 m/s² if the car has a mass of 3000 kg?

(a)

39.

Lauren has a car that accelerates at 5 m/s². If the car has a mass of 1000 kg, how much force does the car produce?

(a)

40.

A 10 kg bowling ball would require what amount of force to accelerate down an alleyway at a rate of 3 m/s²?

(a)

41.

A 6000 N force accelerates a truck entering a highway at 2.5 m/s². What is the mass of the truck?

(a)

42.

What is the mass of a truck if it produces a force of 14,000 N while accelerating at a rate of 5 m/s²?

(a)

43.

Megan challenges you to a race. On the first turn, you run off the course and your car strikes a large bale of hay. Your car still produces 5000 N of force, but now it accelerates at only 2 m/s². What is the mass of your car now that the bale of hay is stuck to it?

(a)

44.

A construction worker pushes a wheelbarrow with a total mass of 50 kg. What is the acceleration of the wheelbarrow if the net force on it is 75 N?

a)

$1.5\ \frac{m}{s^2}$

b)

$1.5\ \frac{m}{s}$

c)

$5300\ kg\cdot\frac{m}{s^2}$

d)

$5300\ kg\cdot\frac{m}{s}$

45.

Your own car has a mass of 2000 kg. If your car produces a force of 5000 N, how fast will it accelerate?

a)

$2.5\ \frac{m}{s^2}$

b)

$2.5\ \frac{m}{s}$

c)

$0.4\ kg\cdot\frac{m}{s^2}$

d)

$0.4\ kg\cdot\frac{m}{s}$

46.

What is the acceleration of a softball if it has a mass of 0.5 kg and hits the catcher’s glove with a force of 25 N?

a)

$50\ \frac{m}{s^2}$

b)

$50\ \frac{m}{s}$

c)

$12.5\ kg\cdot\frac{m}{s^2}$

d)

$12.5\ kg\cdot\frac{m}{s}$

47.

Even though she is ahead of you, Megan switches her car to run on nitrous oxide. The nitrous oxide allows her car to develop 10,000 N of force. What is Megan’s acceleration if her car has a mass of 500 kg?

a)

$20\ \frac{m}{s^2}$

b)

$20\ \frac{m}{s}$

c)

$0.05\ kg\cdot\frac{m}{s^2}$

d)

$0.05\ kg\cdot\frac{m}{s}$

48.

A truck with a mass of 3500 kg, including passengers, has an engine that produces a net horizontal force of 525 N. Assuming that there are no other forces involved in the motion, what is the acceleration of the truck?

a)

$0.15\ \frac{m}{s^2}$

b)

$0.15\ \frac{m}{s}$

c)

$6.67\ kg\cdot\frac{m}{s^2}$

d)

$6.67\ kg\cdot\frac{m}{s}$

49.

If a 6 kg bowling ball is rolled down a bowling lane with a velocity of 3.5 m/s, what is the momentum of the ball?

(a)

50.

Calculate the momentum of a 0.145 kg baseball being thrown at a speed of 40 m/s.

(a)

51.

If an object has a velocity of 8 m/s and a momentum of 40 kg*m/s, what is the mass of the object?

(a)

52.

A bicycle has a momentum of 25 kg*m/s and a velocity of 2.5 m/s. What is the bicycle’s mass?

(a)

53.

A beach ball is rolling in a straight line toward you at a speed of 0.5 km/h. Its momentum is 0.25 kg*m/s. What is the mass of the beach ball?

(a)

54.

What is the velocity of a 0.5 kg ball that has a momentum of 3 kg*m/s?

(a)

55.

In a collision, a 25 kg mass moving at 3 m/s transfers all of its momentum to a 5 kg mass. What is the velocity of the 5 kg mass after the collision?

(a)

56.

Tom and his twin brother Tim have a combined mass of 200.0 kg and are zooming along in a 100.0 kg amusement park bumper car at 10.0 m/s. They bump into Melinda's car, which is sitting still. Melinda has a mass of 25.0 kg. After the elastic collision, the twins continue ahead with a speed of 4.12 m/s. How fast is Melinda’s car bumped across the floor?

(a)

57.

Sometimes the curiosity factor at the scene of a car accident is so great that it actually produces secondary accidents as a result, while people watch to see what is going on. If an 800 kg sports car slows to 13.0 m/s to check out an accident scene and the 1200 kg pick-up truck behind him continues traveling at 25.0 m/s, with what velocity will the two move if they lock bumpers after a rear-end collision?

(a)

58.

What is the weight of a 60 kg astronaut on Earth?

(a)

59.

What is the weight of a 60 kg astronaut on a planet where the gravitational attraction has been reduced to 1/10 of the earth’s pull?

(a)

60.

A science textbook has a mass of 2.2 kg. What is its weight on Earth?

(a)

61.

A science textbook has a mass of 2.2 kg. What is its weight on Mars if the gravitational force accelerates objects at 3.7 m/s²?

(a)

62.

A backpack weighs 8.2 newtons and has a mass of 5 kg on the moon. What is the strength of gravity on the moon?

a)

$1.64\ \frac{m}{s^2}$

b)

$1.64\ \frac{m}{s}$

c)

$1.64\ N$

d)

$0.61\ \frac{m}{s^2}$

63.

A 2.2 kg textbook weighs 18.59 newtons on Venus. What is the strength of gravity on Venus?

a)

$8.45\ \frac{m}{s^2}$

b)

$8.45\ \frac{m}{s}$

c)

$8.45\ N$

d)

$0.12\ \frac{m}{s^2}$

64.

If a 0.5 kg pair of running shoes would weigh 11.55 newtons on Jupiter, what is the strength of gravity there?

a)

$23.1\ \frac{m}{s^2}$

b)

$23.1\ \frac{m}{s}$

c)

$23.1\ N$

d)

$23.1\ kg$

65.

If a 0.5 kg pair of running shoes would weigh 11.55 newtons on Jupiter, what is the strength of gravity there?

a)

$23.1\ \frac{m}{s^2}$

b)

$23.1\ \frac{m}{s}$

c)

$23.1\ N$

d)

$23.1\ kg$

Forces and Motion

Total questions: 65

Worksheet time: 22mins

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