N5 Dynamics CT 1 - Vectors and Scalars

Which row contains two scalar quantities and one vector quantity?

• Distance, displacement, velocity

• Speed, mass, displacement

• Distance, weight, force

• Speed, weight, velocity

• Velocity, force, mass

Which of the following quantities is fully described by its magnitude?

• Force

• Displacement

• Energy

• Velocity

• Acceleration

An athlete runs 30 m East and then 40 m West. Which row correctly shows the distance travelled and the displacement from the starting point?

• 10 m, 10 m East

• 10 m, 10 m West

• 10 m, 70 m East

• 70 m, 10 m West

• 70 m, 10 m East

A security guard starts at the corner of a warehouse, walks round the warehouse as shown and arrives back at the same corner. Which row in the table shows the total distance walked by the security guard and the magnitude of the displacement of the security guard from the start to the end of the walk?

• Total distance: 0 m, Displacement: 0 m

• Total distance: 0 m, Displacement: 340 m

• Total distance: 170 m, Displacement: 130 m

• Total distance: 340 m, Displacement: 0 m

• Total distance: 340 m, Displacement: 340 m

A bus travels a distance of 6 km in a time of 20 minutes. The average speed of the bus is

• 0.5 kmh⁻¹

• 5 kmh⁻¹

• 12 kmh⁻¹

• 18 kmh⁻¹

• 120 kmh⁻¹

A student sets up the apparatus as shown. The trolley is released from X and moves down the ramp. The following measurements are recorded: - time for card to pass through light gate = 0.080 s - distance from X to Y = 0.50 m - length of card = 0.040 m The instantaneous speed of the trolley at Y is

• 0.50 m s⁻¹

• 1.6 m s⁻¹

• 2.0 m s⁻¹

• 3.2 m s⁻¹

• 6.3 m s⁻¹

Which of the following contains two vectors and one scalar quantity?

• Acceleration, mass, displacement

• Displacement, force, velocity

• Time, distance, force

• Displacement, velocity, acceleration

• Speed, velocity, distance

A vehicle follows a course from R to T as shown. The total journey takes 1 hour. Which row in the table gives the average speed and the average velocity of the vehicle for the whole journey?

• Average speed 2.6 km h⁻¹ (023), Average velocity 3.4 km h⁻¹

• Average speed 2.6 km h⁻¹, Average velocity 3.4 km h⁻¹ (203)

• Average speed 3.4 km h⁻¹ (203), Average velocity 2.6 km h⁻¹

• Average speed 3.4 km h⁻¹, Average velocity 2.6 km h⁻¹ (023)

• Average speed 3.4 km h⁻¹, Average velocity 2.6 km h⁻¹ (203)

A cross country runner travels 2.1 km North then 1.5 km East. The total time taken is 20 minutes. The average speed of the runner is

• 0.18 ms⁻¹

• 2.2 ms⁻¹

• 3.0 ms⁻¹

• 130 ms⁻¹

• 180 ms⁻¹

At an airport, an aircraft moves from the terminal building to the end of the runway. Which row shows the total distance travelled and the size of the displacement?

• Total distance travelled 400 m, Size of displacement 800 m

• Total distance travelled 450 m, Size of displacement 200 m

• Total distance travelled 450 m, Size of displacement 400 m

• Total distance travelled 800 m, Size of displacement 400 m

• Total distance travelled 800 m, Size of displacement 800 m