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# Forces and Motion PowerPoint PPT Presentation

Forces and Motion. SOL Review. John goes over the top of a hill at a speed of 4m/s while on his bicycle. Four seconds later, his speed is 24m/s. What is John's acceleration?. 20 m/s sq. 16 m/s sq. 6 m/s sq. 5 m/s sq. Forces that are equal in size and opposite in direction are:.

Forces and Motion

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## Forces and Motion

SOL Review

John goes over the top of a hill at a speed of 4m/s while on his bicycle. Four seconds later, his speed is 24m/s. What is John's acceleration?

• 20 m/s sq.

• 16 m/s sq.

• 6 m/s sq.

• 5 m/s sq.

### Forces that are equal in size and opposite in direction are:

• balanced forces

• frictional forces

• gravitational forces

• net forces

### Newton's first law of motion states that an object stays at rest unless a ____ acts on it.

• balanced force

• frictional force

• gravitational force

• net force

### The rate of change of speed and/or the change in direction is called:

• acceleration

• average speed

• gravity

• velocity

### The relationship among mass, force, and acceleration is explained by:

• conservation of momentum

• Newton's first law of motion

• Newton's second law of motion

• Newton's third law of motion

### Which of the following objects has the greatest inertia?

• baseball

• bowling ball

• pencil

• table-tennis ball

### As you climb a mountain, you get farther from the center of the earth.  Your weight will:

• decrease

• increase

• remain the same

A person, in a head-on car collision, who is not wearing a seat belt, continues to move forward at the original speed of the car because of:

• friction

• inertia

• gravity

• weight

### The statement "for every action there is an equal and opposite reaction" is:

• the law of conservation of momentum

• Newton's first law of motion

• Newton's second law of motion

• Newton's third law of motion

• 98 m/s sq.

• 9.8 m/s sq.

• 9.8 m/s

• 0.98 m/s

• 150 Nm

• 300 Nm

• 302 Nm

• 600 Nm

### Two simple machines that are part of a bicycle are:

• A wheel an axle and a screw

• An inclined plane and a lever

• An inclined plane and a wedge

• A screw and an inclined plane