# Chapter 12 Review - Forces and Motion (Advanced)

### 19 terms by cpucentral

#### Study  only

Flashcards Flashcards

Scatter Scatter

Scatter Scatter

## Create a new folder

Covers: Balanced and Unbalanced Forces, Inertia, Projectile motion, Solving for Acceleration, Solving for Force, Solving for Momentum, Nuclear forces, Momentum, Action and reaction forces, acceleration, Gravity, Gravitational forces, weight, friction, types of friction, etc. and more!

D

Equal to Zero

### As you push a cereal box across a tabletop, the sliding friction acting on the cereal box _____.

Acts in the direction of opposite motion.

### An open parachute increases air resistance of a falling sky diver by _____.

Increasing surface area.

### Projectile motion is caused by _____.

The downward force of gravity and initial forward velocity.

### An orange might roll off your cafeteria tray when you stop suddenly because of _____.

The orange's inertia

10 m/s squared.

### The acceleration due to gravity on the surface of Mars is about one-third the acceleration due to gravity on Earth's surface. The weight of a space probe on the surface of Mars is about _____.

One-third its weight on Earth's surface

D

### What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s?

100 kg times m/s squared

### When opposite poles of two magnets are brought together, the poles _____.

Attract each other

B

### The gravitational force between two objects increases as mass _____.

Increases or distance decreases.

D

### The type of force measured by a grocery store spring scale is _____.

Weight, due to gravity

Balanced forces

Greater

Gravity

Direction

Example: