Science 10 Physics

Which statement describes an object travelling with uniform velocity?

• An object moves with constant speed along a straight path.
• An object moves with constant speed along a curved path.
• An object moves so that an imaginary line segment from the object to a reference point changes in length.
• An object moves so that an imaginary line from the object to a reference point changes in direction.

Which distance-time graph most closely represents an object moving with uniform motion?

• A
• B
• C
• D

Which speed-time graph most closely represents an object travelling with uniform motion?

• A
• B
• C
• D

What does the area under the line of a speed-time graph represent?

• acceleration
• average speed
• elapsed time
• distance travelled

• 4.4 cm/s
• 8.8 cm/s
• 9.0 cm/s
• 13.5 cm/s

Tags

NGSS.MS-PS3-1

What does the slope of the graph indicate about the object's motion?

• average speed
• direction of motion
• distance travelled
• average acceleration

Which quantities of motion are vector quantities?

• speed and displacement
• speed and distance travelled
• velocity and displacement
• velocity and distance travelled

A ball rolled 12.0 m [E] in 10.0 s, hit an obstacle, and rolled straight back. After the collision, the ball rolled 8.00 m [W] in 6.00 s.
What was the average speed of the ball?

• 1.25 m/s
• 0.250 m/s
• 1.25 m/s [E]
• 0.250 m/s [E]

A ball rolled 12.0 m [E] in 10.0 s, hit an obstacle, and rolled straight back. After the collision, the ball rolled 8.00 m [W] in 6.00 s.
What was the average velocity of the ball?

• 1.25 m/s
• 0.250 m/s
• 1.25 m/s [E]
• 0.250 m/s [E]

An airplane travelled at an average velocity of 250 km/h [E]. The resulting displacement was 625 km [E]. How long did the trip take?

• 2.50 h
• 3.75 h
• 4.25 h
• 4.50 h