Physics Concepts for Grade 11

The SI unit for force is ... a. kg b. m/s² c. N d. J

• kg·m/s²

• Pa

• W

• c

A ruler has a length of 50.0 cm. This length is written in meters as ... a. 0.05 m b. 0.5 m c. 5.0 m d. 50.0 m

• 1.0 m

• 0.01 m

• 0.5 m

• 100.0 m

A student runs 100 m north, then 50 m south. The total distance traveled is ... a. 50 m b. 100 m c. 150 m d. 200 m

• 125 m

• 300 m

• 150 m

• 75 m

If the journey in question number 3 is considered as displacement, the result is ... a. 50 m north b. 50 m south c. 100 m north d. 150 m

• 50 m east

• 75 m north

• 50 m north

• 100 m south

Write the result of measuring a mass of 0.00789 kg in scientific notation with 3 significant figures.

• 7.89 x 10^-3 kg

• 7.89 x 10^3 kg

• 0.789 x 10^-2 kg

• 78.9 x 10^-4 kg

An athlete swims 200 m in 25 s. Calculate the athlete's average speed.

• 8 m/s

• 10 m/s

• 6 m/s

• 4 m/s

A train moves at an average speed of 90 km/h. Convert this to m/s.

• 15 m/s

• 25 m/s

• 30 m/s

• 20 m/s

A cyclist travels 150 m in 30 seconds. What is their average speed in m/s?

• 3 m/s

• 5 m/s

• 7 m/s

• 10 m/s

A car accelerates from rest to a speed of 20 m/s in 5 seconds. What is the acceleration?

• 10 m/s²

• 4 m/s²

• 2 m/s²

• 5 m/s²

A runner completes a lap of 400 m in 50 seconds. What is their average speed in m/s?

• 8 m/s

• 12 m/s

• 10 m/s

• 6 m/s