BECE - Basic Education Certificate Examination Force, Work, and Energy Questions and Answers

Question 1

A student pushes against a large, stationary brick wall with all their might for one minute, but the wall does not move. In physics terms, how much work has the student done on the wall?

Accepted Answer

Zero work.

Answer

A large amount of work, because a large force was used.

Answer

A small amount of work, because the time was short.

Answer

It depends on the mass of the wall.

Question 2

A battery-powered flashlight is switched on. Which of the following describes the main energy transformation that occurs?

Accepted Answer

Chemical energy to electrical energy, then to light and heat energy

Answer

Electrical energy to chemical energy

Answer

Kinetic energy to light energy

Answer

Light energy to heat energy

Question 3

A mango hangs from a tree branch. What type of energy does it primarily possess due to its position?

Accepted Answer

Gravitational potential energy

Answer

Kinetic energy

Answer

Chemical energy

Answer

Elastic potential energy

Question 4

A boy pulls a cart with a force of 30 Newtons over a distance of 5 meters. How much work does the boy do?

Accepted Answer

150 Joules

Answer

6 Joules

Answer

35 Joules

Answer

25 Joules

Question 5

Which of the following is NOT an effect of a force acting on an object?

Accepted Answer

Changing the mass of the object.

Answer

Changing the direction of a moving object.

Answer

Changing the shape of the object.

Answer

Changing the speed of a moving object.

Question 6

What is the standard international (SI) unit for both work and energy?

Accepted Answer

Joule

Answer

Newton

Answer

Watt

Answer

Pascal

A student pushes against a large, stationary brick wall with all their might for one minute, but the wall does not move.In physics terms, how much work has the student done on the wall?

A student pushes against a large, stationary brick wall with all their might for one minute, but the wall does not move.
In physics terms, how much work has the student done on the wall?