Force and Speed

What is the unit for force?

• Newtons

• Meters

• Grams

• Milliliters

A cyclist rode his bike for 4 hours, covering a distance of 40 km. What was his average speed for his ride?

• 10 km/h

• 5 km/h

• 20 km/h

• 1 km/h

A cross country runner jogged for 2 hours and covered a distance of 14 km. What was the average speed of the runner?

• 28 km/h

• 7 km/h

• 12 km/h

• .14 km/h

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

• 100 m/s²
• 25,000 m/s²
• 10 m/s²
• 25 m/s²

A 50 kg skater pushed by a friend accelerates 5 m/sec².  How much force did the friend apply?

• 45 N
• 15 N 
• 10 N
• 250 N

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec².  What is the mass of the object?

• 100kg 
• 1,250kg
• 50kg
• 5kg

A train travels 25 km in 0.5 hrs. How fast is the train going?

• 25 m/hr

• 15 m/hr

• 125 km/hr

• 50 km/hr

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes

• 100 minutes

• 100 seconds

• 25 seconds

A man runs at 10 m/min for 5 min, what distance will he run?

• 10 m

• 20 m

• 15 m

• 50 m

A speed boat travels 200 km at a speed of 20 km/hr. How much time will it take to travel the 200 km?

• 10 hours

• 15 hours

• 400 hours

• 500 hours