Show:
Vocabulary
Forces
Changes in Motion
Motion
Mixed
100
What is an increase in motion?
Acceleration
100
Which force pulls you down a playground slide?
Gravity
100

The amount of change in WHAT of an object is based on the weight of the object and the amount of force exerted on the object?

Movement or Motion

100

What type of surface will slow down a moving car the most? Ice, Wood or Sand?

Sand

100

If a force ( push or pull)  is applied in the same direction of an object's motion, the object's speed will what? 

Increase

200

The amount of matter that makes up an object.

Mass

200
The force that works against movement.
Friction
200
Explain why a parachute makes a person falling from a great height fall more slowly?
The parachute causes air resistance, which slows the fall.
200

Sandley started pushing a bookcase across the room.Then, he removed the books and continued pushing with the same force and direction. How does removing the books affect the motion of the bookcase?

The mass is decreased, making the bookcase move faster.

200

Which of Newton's Laws of motion states F= M x A?

2nd Law

300

This is what we ust to measure force:  

Newtons

300
Ms. Starling's class and Ms. Howard's class are playing tug-of-war. After several minutes, the students notice that the rope has not moved at all. What is one possible cause of this?
The two classes have created a balanced force on the rope.
300

If a force is applied in the ____________ direction of an object's motion, the object's speed will decrease. It will go slower because someone or something is pulling against it.

Opposite

300

Rodrigo and Marcus are moving a dresser. They are arguing about which direction to move it. Rodrigo is pushing the dresser with a force of 5 newtons towards Marcus. Marcus is pushing the dresser towards Rodrigo with a force of 10 newtons. What happens to the dresser?

The dresser moves towards Rodrigo.

300

Is acceleration happening on a car that is traveling at a constant speed of 35 mph down a straight road?

No

400

A push or a pull

Force

400
The type of force which results in movement?
An unbalanced force.
400
Explain why a person standing on the Moon can jump higher than a person standing on Earth.
The Moon's gravitational pull is less than Earth's.
400

Charlene kicked the winning goal in her last soccer game. What force acted between Charlene's foot and the ball to cause the ball to move?

Push

400

Some students apply force to a toy car on a ramp to push it down. The students measure how fast the car rolls down the ramp. If students want to increase the speed of the car down the ramp, what is one thing they could do?

Increase the force applied to the car, remove or decrease the friction on the ramp, lighten up the car's weight, or increase the steepness of the ramp.

500
This is a force between two surfaces rubbing against each other. It works against the motion of an object.
What is friction.
500
What two forces are acting together to keep a cup balanced on a table?
Gravity and the force of the table holding the cup up.
500
A car and a truck travel at the same speed on a road in the same direction. Both vehicles slow down with the same stopping force. Why does the truck need more distance the the car to stop?
The truck has more mass.
500

Which type of force moves an object toward the source of the force?

Pull

500

Xiomara roller skates to the top of a hill and then starts rolling downward. What two MAIN forces affecting Xiomara’s motion as she rolls down the hill?

Friction and gravity