Physics First Term Examination 2023/2024

Under which of the following conditions is work done?

• A man supports a heavy load above his head with his hands

• A woman holds a pot of water

• A boy climbs onto a table

• A bag of cocoa stands on a stationary petrol tanker.

At what height above the ground must a body of mass 10kg be situated in order to have potential energy by another body of mass 10kg moving with a velocity of 10ms-¹?

• 5m

• 500m

• 1000m

• 50m

The kinetic energy (K.E) of a body in motion is given by

• K.E = ¹/2mv

• K.E =¹/2mv2

• K.E =¹/2m²

• K.E1/2 mv²

A boy of mass 10kg climbs up 10 steps each of height 0.2m in 20seconds. Calculate the power of the boy.

• 200 watts

• 10watts

• 20 watts

• 100 watts

Which of the following is not a consequence of a force field?

• Weight

• Surface tension

• Gravitational pull

• Magnetic force

Centripetal acceleration a is given by

• a= v/r

• a=m/r

• a=v²/r

• a=r/v²

A mass of 10kg is moving in a circular path of radius 2m with a uniform speed of 5s-¹.Find the centripetal acceleration and the corresponding centripetal force.

• 1250ms-²,12500 newton

• 125,1250

• 1350,13500

• 50,100

An objects that moves irregularly or at random or haphazardly is known as

• Translational motion

• Rotational motion

• Random motion

• Vibratory motion

Which of the following is a derived unit?

• Ampere

• Second

• Kilogram

• Ohm

Which of the following is a fundamental quantity?

• Length

• Impulse

• Energy

• Speed