PPP Exercise 2C

1.    Find the missing values in the following table.

2.    Calculate the force required to accelerate a mass of 12 kg at 2 m/s2.

3.    Calculate the force required to accelerate a car of mass 1 000 kg at 5 m/s2.

4.    If a force of 500 N is applied to a mass of 20 kg, calculate its acceleration.

5.    A man pushes a stacked trolley of mass 25 kg with a force of 25 N. Calculate the acceleration of the trolley.

6.    Find the mass of a boy and his bike if they accelerate at 1·5 m/s2 when pushed with a force of 65 N.

7.    A car on an automatic wash and valet machine is pulled by a force of 500 N and accelerates at 0·25 m/s2. What is the mass of the car?

8.    A fork lift truck applies a force of 2000 N to move a crate of mass 1 700 kg. Calculate the acceleration of the crate.

9.    A bus applies a braking force of 2400 N in order to avoid a road accident ahead. The mass of the bus and the people on board is 4 000 kg. Calculate the deceleration of the bus.

10.  A table tennis ball of mass 0.03 kg is found to accelerate at 150 m/s2 when hit with a bat. Calculate the force causing the ball to accelerate.

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