Forces and Motion Test Review

A rocket can travel without engine power at constant speed in the same direction in outer space. This condition is best explained by the concept of ______.

• gravitation

• acceleration

• inertia

• action-reaction

Tags

NGSS.HS-PS2-2

A table exerts a 20 newton force on a 10kg book lying on the table. The force exerted by the book on the table is ____.

• 20 N

• 10 N

• 2 N

• 1 N

Tags

NGSS.MS-PS2-2

When an object is moving with constant velocity, which is true?

• An unbalanced force is acting

• The object is accelerated

• The total net force acting on the object is zero

• The object is undergoing a change in energy

Tags

NGSS.HS-PS2-1

Which best describes how forces must interact for a kite to sail up into the air?

• The force of gravity must be equal to the force of the wind.

• The force of the wind must be greater than the force of gravity.

• The force of gravity must be greater than the force of the wind.

• The force of gravity must be equal to the force of the wind.

A tablecloth can be withdrawn from under dishes on a table when it is jerked quickly. The reason this "magic" trick works is that

• the dishes are inertia

• the dishes have very little weight

• gravity pulls very hard on the dishes

• none of the above

Tags

NGSS.HS-PS2-1

A bowling ball has more mass than an apple. The bowling ball also has more

• acceleration

• energy

• velocity

• inertia

Which of the following has the most inertia?

• A 7 kg bowling ball rolling at a velocity of 4 m/s

• A 2 kg baseball in free fall

• A 50 kg student running with a velocity of 5m/s

• A 90 kg wrestler sitting on a mat

Tags

NGSS.MS-PS2-2

A change in position of an object is its _________.

• motion

• acceleration

• speed

• inertia

If a force acts constantly on a stationary object, the object will

• move at a constant speed in the direction of the force

• remain stationary

• accelerate in the opposite direction of the force

• accelerate in the direction of the force

Tags

NGSS.MS-PS2-2

If no force is being applied to a stationary object, the object will

• accelerate in the opposite direction of the force

• move at a constant speed in the direction of the force

• accelerate in the direction of the force

• remain stationary

Tags

NGSS.MS-PS2-2